From 74c288a1009cf99fe73e9a4ded22aff081f017db Mon Sep 17 00:00:00 2001
From: stronk7 <stronk7>
Date: Fri, 1 May 2009 14:07:43 +0000
Subject: [PATCH] MDL-18577 drop enums support - step2: enums out from
 install.xml files

---
 blocks/rss_client/db/install.xml           |   14 +-
 blocks/search/db/install.xml               |   20 +-
 enrol/authorize/db/install.xml             |   36 +-
 enrol/paypal/db/install.xml                |   40 +-
 lib/db/install.xml                         | 1954 ++++++++++----------
 mod/assignment/db/install.xml              |   66 +-
 mod/chat/db/install.xml                    |   72 +-
 mod/choice/db/install.xml                  |   48 +-
 mod/data/db/install.xml                    |  144 +-
 mod/feedback/db/install.xml                |  124 +-
 mod/forum/db/install.xml                   |  144 +-
 mod/glossary/db/install.xml                |  146 +-
 mod/hotpot/db/install.xml                  |  116 +-
 mod/label/db/install.xml                   |   12 +-
 mod/lesson/db/install.xml                  |  256 +--
 mod/quiz/db/install.xml                    |  122 +-
 mod/quiz/report/overview/db/install.xml    |   14 +-
 mod/quiz/report/statistics/db/install.xml  |   76 +-
 mod/resource/db/install.xml                |   22 +-
 mod/scorm/db/install.xml                   |  186 +-
 mod/survey/db/install.xml                  |   56 +-
 mod/wiki/db/install.xml                    |   86 +-
 portfolio/type/mahara/db/install.xml       |    6 +-
 question/type/calculated/db/install.xml    |   40 +-
 question/type/match/db/install.xml         |   18 +-
 question/type/multianswer/db/install.xml   |    6 +-
 question/type/multichoice/db/install.xml   |   20 +-
 question/type/numerical/db/install.xml     |   16 +-
 question/type/randomsamatch/db/install.xml |    6 +-
 question/type/shortanswer/db/install.xml   |    8 +-
 question/type/truefalse/db/install.xml     |    8 +-
 31 files changed, 1941 insertions(+), 1941 deletions(-)

diff --git a/blocks/rss_client/db/install.xml b/blocks/rss_client/db/install.xml
index 3cc842295f..e5f9ebf189 100644
--- a/blocks/rss_client/db/install.xml
+++ b/blocks/rss_client/db/install.xml
@@ -6,13 +6,13 @@
   <TABLES>
     <TABLE NAME="block_rss_client" COMMENT="Remote news feed information. Contains the news feed id, the userid of the user who added the feed, the title of the feed itself and a description of the feed contents along with the url used to access the remote feed. Preferredtitle is a field for future use - intended to allow for custom titles rather than those found in the feed">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="title"/>
-        <FIELD NAME="title" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="preferredtitle"/>
-        <FIELD NAME="preferredtitle" TYPE="char" LENGTH="64" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="title" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="preferredtitle" NEXT="shared"/>
-        <FIELD NAME="shared" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="description" NEXT="url"/>
-        <FIELD NAME="url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="shared"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="title"/>
+        <FIELD NAME="title" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="preferredtitle"/>
+        <FIELD NAME="preferredtitle" TYPE="char" LENGTH="64" NOTNULL="true" SEQUENCE="false" PREVIOUS="title" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="preferredtitle" NEXT="shared"/>
+        <FIELD NAME="shared" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="description" NEXT="url"/>
+        <FIELD NAME="url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="shared"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" />
diff --git a/blocks/search/db/install.xml b/blocks/search/db/install.xml
index b118e4e1b2..2f784c518c 100644
--- a/blocks/search/db/install.xml
+++ b/blocks/search/db/install.xml
@@ -6,16 +6,16 @@
   <TABLES>
     <TABLE NAME="block_search_documents" COMMENT="table to store search index backups">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="docid"/>
-        <FIELD NAME="docid" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="doctype"/>
-        <FIELD NAME="doctype" TYPE="char" LENGTH="32" NOTNULL="true" DEFAULT="none" SEQUENCE="false" ENUM="false" PREVIOUS="docid" NEXT="itemtype"/>
-        <FIELD NAME="itemtype" TYPE="char" LENGTH="32" NOTNULL="true" DEFAULT="standard" SEQUENCE="false" ENUM="false" PREVIOUS="doctype" NEXT="title"/>
-        <FIELD NAME="title" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="itemtype" NEXT="url"/>
-        <FIELD NAME="url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="title" NEXT="docdate"/>
-        <FIELD NAME="docdate" TYPE="datetime" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="url" NEXT="updated"/>
-        <FIELD NAME="updated" TYPE="datetime" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="docdate" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="updated" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="docid"/>
+        <FIELD NAME="docid" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="doctype"/>
+        <FIELD NAME="doctype" TYPE="char" LENGTH="32" NOTNULL="true" DEFAULT="none" SEQUENCE="false" PREVIOUS="docid" NEXT="itemtype"/>
+        <FIELD NAME="itemtype" TYPE="char" LENGTH="32" NOTNULL="true" DEFAULT="standard" SEQUENCE="false" PREVIOUS="doctype" NEXT="title"/>
+        <FIELD NAME="title" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="itemtype" NEXT="url"/>
+        <FIELD NAME="url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="title" NEXT="docdate"/>
+        <FIELD NAME="docdate" TYPE="datetime" NOTNULL="true" SEQUENCE="false" PREVIOUS="url" NEXT="updated"/>
+        <FIELD NAME="updated" TYPE="datetime" NOTNULL="true" SEQUENCE="false" PREVIOUS="docdate" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="updated" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" />
diff --git a/enrol/authorize/db/install.xml b/enrol/authorize/db/install.xml
index 54e643eef1..6ac4bd3d63 100644
--- a/enrol/authorize/db/install.xml
+++ b/enrol/authorize/db/install.xml
@@ -6,18 +6,18 @@
   <TABLES>
     <TABLE NAME="enrol_authorize" COMMENT="Holds all known information about authorize.net transactions" NEXT="enrol_authorize_refunds">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="paymentmethod"/>
-        <FIELD NAME="paymentmethod" TYPE="char" LENGTH="6" NOTNULL="true" DEFAULT="cc" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="refundinfo"/>
-        <FIELD NAME="refundinfo" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="paymentmethod" NEXT="ccname"/>
-        <FIELD NAME="ccname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="refundinfo" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="ccname" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="transid"/>
-        <FIELD NAME="transid" TYPE="int" LENGTH="20" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="status"/>
-        <FIELD NAME="status" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="transid" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="status" NEXT="settletime"/>
-        <FIELD NAME="settletime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="amount"/>
-        <FIELD NAME="amount" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="settletime" NEXT="currency"/>
-        <FIELD NAME="currency" TYPE="char" LENGTH="3" NOTNULL="true" DEFAULT="USD" SEQUENCE="false" ENUM="false" PREVIOUS="amount"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="paymentmethod"/>
+        <FIELD NAME="paymentmethod" TYPE="char" LENGTH="6" NOTNULL="true" DEFAULT="cc" SEQUENCE="false" PREVIOUS="id" NEXT="refundinfo"/>
+        <FIELD NAME="refundinfo" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="paymentmethod" NEXT="ccname"/>
+        <FIELD NAME="ccname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="refundinfo" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="ccname" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="transid"/>
+        <FIELD NAME="transid" TYPE="int" LENGTH="20" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="status"/>
+        <FIELD NAME="status" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="transid" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="status" NEXT="settletime"/>
+        <FIELD NAME="settletime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated" NEXT="amount"/>
+        <FIELD NAME="amount" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" PREVIOUS="settletime" NEXT="currency"/>
+        <FIELD NAME="currency" TYPE="char" LENGTH="3" NOTNULL="true" DEFAULT="USD" SEQUENCE="false" PREVIOUS="amount"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -31,12 +31,12 @@
     </TABLE>
     <TABLE NAME="enrol_authorize_refunds" COMMENT="Authorize.net refunds" PREVIOUS="enrol_authorize">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="orderid"/>
-        <FIELD NAME="orderid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="status"/>
-        <FIELD NAME="status" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="orderid" NEXT="amount"/>
-        <FIELD NAME="amount" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="status" NEXT="transid"/>
-        <FIELD NAME="transid" TYPE="int" LENGTH="20" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="amount" NEXT="settletime"/>
-        <FIELD NAME="settletime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="transid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="orderid"/>
+        <FIELD NAME="orderid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="status"/>
+        <FIELD NAME="status" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="orderid" NEXT="amount"/>
+        <FIELD NAME="amount" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" PREVIOUS="status" NEXT="transid"/>
+        <FIELD NAME="transid" TYPE="int" LENGTH="20" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="amount" NEXT="settletime"/>
+        <FIELD NAME="settletime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="transid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="orderid"/>
diff --git a/enrol/paypal/db/install.xml b/enrol/paypal/db/install.xml
index e967c8dd9c..f7f26d41e3 100644
--- a/enrol/paypal/db/install.xml
+++ b/enrol/paypal/db/install.xml
@@ -3,26 +3,26 @@
   <TABLES>
     <TABLE NAME="enrol_paypal" COMMENT="Holds all known information about PayPal transactions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="business"/>
-        <FIELD NAME="business" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="receiver_email"/>
-        <FIELD NAME="receiver_email" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="business" NEXT="receiver_id"/>
-        <FIELD NAME="receiver_id" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="receiver_email" NEXT="item_name"/>
-        <FIELD NAME="item_name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="receiver_id" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="item_name" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="memo"/>
-        <FIELD NAME="memo" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="tax"/>
-        <FIELD NAME="tax" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="memo" NEXT="option_name1"/>
-        <FIELD NAME="option_name1" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="tax" NEXT="option_selection1_x"/>
-        <FIELD NAME="option_selection1_x" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="option_name1" NEXT="option_name2"/>
-        <FIELD NAME="option_name2" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="option_selection1_x" NEXT="option_selection2_x"/>
-        <FIELD NAME="option_selection2_x" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="option_name2" NEXT="payment_status"/>
-        <FIELD NAME="payment_status" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="option_selection2_x" NEXT="pending_reason"/>
-        <FIELD NAME="pending_reason" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="payment_status" NEXT="reason_code"/>
-        <FIELD NAME="reason_code" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="pending_reason" NEXT="txn_id"/>
-        <FIELD NAME="txn_id" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="reason_code" NEXT="parent_txn_id"/>
-        <FIELD NAME="parent_txn_id" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="txn_id" NEXT="payment_type"/>
-        <FIELD NAME="payment_type" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="parent_txn_id" NEXT="timeupdated"/>
-        <FIELD NAME="timeupdated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="payment_type"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="business"/>
+        <FIELD NAME="business" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="receiver_email"/>
+        <FIELD NAME="receiver_email" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="business" NEXT="receiver_id"/>
+        <FIELD NAME="receiver_id" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="receiver_email" NEXT="item_name"/>
+        <FIELD NAME="item_name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="receiver_id" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="item_name" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="memo"/>
+        <FIELD NAME="memo" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="tax"/>
+        <FIELD NAME="tax" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="memo" NEXT="option_name1"/>
+        <FIELD NAME="option_name1" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="tax" NEXT="option_selection1_x"/>
+        <FIELD NAME="option_selection1_x" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="option_name1" NEXT="option_name2"/>
+        <FIELD NAME="option_name2" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="option_selection1_x" NEXT="option_selection2_x"/>
+        <FIELD NAME="option_selection2_x" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="option_name2" NEXT="payment_status"/>
+        <FIELD NAME="payment_status" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="option_selection2_x" NEXT="pending_reason"/>
+        <FIELD NAME="pending_reason" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="payment_status" NEXT="reason_code"/>
+        <FIELD NAME="reason_code" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="pending_reason" NEXT="txn_id"/>
+        <FIELD NAME="txn_id" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="reason_code" NEXT="parent_txn_id"/>
+        <FIELD NAME="parent_txn_id" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="txn_id" NEXT="payment_type"/>
+        <FIELD NAME="payment_type" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="parent_txn_id" NEXT="timeupdated"/>
+        <FIELD NAME="timeupdated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="payment_type"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" />
diff --git a/lib/db/install.xml b/lib/db/install.xml
index 5d2a59deb2..ad4ea3567a 100644
--- a/lib/db/install.xml
+++ b/lib/db/install.xml
@@ -6,9 +6,9 @@
   <TABLES>
     <TABLE NAME="config" COMMENT="Moodle configuration variables" NEXT="config_plugins">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="name"/>
@@ -17,10 +17,10 @@
     </TABLE>
     <TABLE NAME="config_plugins" COMMENT="Moodle modules and plugins configuration variables" PREVIOUS="config" NEXT="config_log">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="plugin"/>
-        <FIELD NAME="plugin" TYPE="char" LENGTH="100" NOTNULL="true" DEFAULT="core" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="plugin" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="plugin"/>
+        <FIELD NAME="plugin" TYPE="char" LENGTH="100" NOTNULL="true" DEFAULT="core" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="plugin" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="plugin_name"/>
@@ -29,13 +29,13 @@
     </TABLE>
     <TABLE NAME="config_log" COMMENT="Changes done in server configuration through admin UI" PREVIOUS="config_plugins" NEXT="upgrade_log">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="plugin"/>
-        <FIELD NAME="plugin" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="plugin" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="oldvalue"/>
-        <FIELD NAME="oldvalue" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="value"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="userid" NEXT="plugin"/>
+        <FIELD NAME="plugin" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" PREVIOUS="timemodified" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="plugin" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="name" NEXT="oldvalue"/>
+        <FIELD NAME="oldvalue" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="value"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="userid"/>
@@ -47,15 +47,15 @@
     </TABLE>
     <TABLE NAME="upgrade_log" COMMENT="Upgrade logging" PREVIOUS="config_log" NEXT="course">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="type"/>
-        <FIELD NAME="type" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" ENUM="false" COMMENT="type: 0==info, 1==notice, 2==error" PREVIOUS="id" NEXT="plugin"/>
-        <FIELD NAME="plugin" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="type" NEXT="version"/>
-        <FIELD NAME="version" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="plugin or main version if known" PREVIOUS="plugin" NEXT="info"/>
-        <FIELD NAME="info" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="details"/>
-        <FIELD NAME="details" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="info" NEXT="backtrace"/>
-        <FIELD NAME="backtrace" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="details" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="backtrace" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="type"/>
+        <FIELD NAME="type" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" COMMENT="type: 0==info, 1==notice, 2==error" PREVIOUS="id" NEXT="plugin"/>
+        <FIELD NAME="plugin" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" PREVIOUS="type" NEXT="version"/>
+        <FIELD NAME="version" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" COMMENT="plugin or main version if known" PREVIOUS="plugin" NEXT="info"/>
+        <FIELD NAME="info" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="version" NEXT="details"/>
+        <FIELD NAME="details" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="info" NEXT="backtrace"/>
+        <FIELD NAME="backtrace" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="details" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="backtrace" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="userid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="userid"/>
@@ -68,48 +68,48 @@
     </TABLE>
     <TABLE NAME="course" COMMENT="Central course table" PREVIOUS="upgrade_log" NEXT="course_categories">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="category"/>
-        <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="category" NEXT="password"/>
-        <FIELD NAME="password" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="sortorder" NEXT="fullname"/>
-        <FIELD NAME="fullname" TYPE="char" LENGTH="254" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="password" NEXT="shortname"/>
-        <FIELD NAME="shortname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="fullname" NEXT="idnumber"/>
-        <FIELD NAME="idnumber" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="shortname" NEXT="summary"/>
-        <FIELD NAME="summary" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="idnumber" NEXT="format"/>
-        <FIELD NAME="format" TYPE="char" LENGTH="10" NOTNULL="true" DEFAULT="topics" SEQUENCE="false" ENUM="false" PREVIOUS="summary" NEXT="showgrades"/>
-        <FIELD NAME="showgrades" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="format" NEXT="modinfo"/>
-        <FIELD NAME="modinfo" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="showgrades" NEXT="newsitems"/>
-        <FIELD NAME="newsitems" TYPE="int" LENGTH="5" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="modinfo" NEXT="guest"/>
-        <FIELD NAME="guest" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newsitems" NEXT="startdate"/>
-        <FIELD NAME="startdate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="guest" NEXT="enrolperiod"/>
-        <FIELD NAME="enrolperiod" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="startdate" NEXT="numsections"/>
-        <FIELD NAME="numsections" TYPE="int" LENGTH="5" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="enrolperiod" NEXT="marker"/>
-        <FIELD NAME="marker" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="numsections" NEXT="maxbytes"/>
-        <FIELD NAME="maxbytes" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="marker" NEXT="showreports"/>
-        <FIELD NAME="showreports" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="maxbytes" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="showreports" NEXT="hiddensections"/>
-        <FIELD NAME="hiddensections" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="visible" NEXT="groupmode"/>
-        <FIELD NAME="groupmode" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hiddensections" NEXT="groupmodeforce"/>
-        <FIELD NAME="groupmodeforce" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupmode" NEXT="defaultgroupingid"/>
-        <FIELD NAME="defaultgroupingid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="default grouping used in course modules, does not have key intentionally" PREVIOUS="groupmodeforce" NEXT="lang"/>
-        <FIELD NAME="lang" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="defaultgroupingid" NEXT="theme"/>
-        <FIELD NAME="theme" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="lang" NEXT="cost"/>
-        <FIELD NAME="cost" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="theme" NEXT="currency"/>
-        <FIELD NAME="currency" TYPE="char" LENGTH="3" NOTNULL="true" DEFAULT="USD" SEQUENCE="false" ENUM="false" PREVIOUS="cost" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="currency" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="metacourse"/>
-        <FIELD NAME="metacourse" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="requested"/>
-        <FIELD NAME="requested" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="metacourse" NEXT="restrictmodules"/>
-        <FIELD NAME="restrictmodules" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="requested" NEXT="expirynotify"/>
-        <FIELD NAME="expirynotify" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="restrictmodules" NEXT="expirythreshold"/>
-        <FIELD NAME="expirythreshold" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="expirynotify" NEXT="notifystudents"/>
-        <FIELD NAME="notifystudents" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="expirythreshold" NEXT="enrollable"/>
-        <FIELD NAME="enrollable" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="notifystudents" NEXT="enrolstartdate"/>
-        <FIELD NAME="enrolstartdate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="enrollable" NEXT="enrolenddate"/>
-        <FIELD NAME="enrolenddate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="enrolstartdate" NEXT="enrol"/>
-        <FIELD NAME="enrol" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="enrolenddate" NEXT="defaultrole"/>
-        <FIELD NAME="defaultrole" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="The default role given to participants who self-enrol" PREVIOUS="enrol" NEXT="enablecompletion"/>
-        <FIELD NAME="enablecompletion" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="1 = allow use of 'completion' progress-tracking on this course. 0 = disable completion tracking on this course." PREVIOUS="defaultrole"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="category"/>
+        <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="category" NEXT="password"/>
+        <FIELD NAME="password" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="sortorder" NEXT="fullname"/>
+        <FIELD NAME="fullname" TYPE="char" LENGTH="254" NOTNULL="true" SEQUENCE="false" PREVIOUS="password" NEXT="shortname"/>
+        <FIELD NAME="shortname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="fullname" NEXT="idnumber"/>
+        <FIELD NAME="idnumber" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="shortname" NEXT="summary"/>
+        <FIELD NAME="summary" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="idnumber" NEXT="format"/>
+        <FIELD NAME="format" TYPE="char" LENGTH="10" NOTNULL="true" DEFAULT="topics" SEQUENCE="false" PREVIOUS="summary" NEXT="showgrades"/>
+        <FIELD NAME="showgrades" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="format" NEXT="modinfo"/>
+        <FIELD NAME="modinfo" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" PREVIOUS="showgrades" NEXT="newsitems"/>
+        <FIELD NAME="newsitems" TYPE="int" LENGTH="5" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="modinfo" NEXT="guest"/>
+        <FIELD NAME="guest" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="newsitems" NEXT="startdate"/>
+        <FIELD NAME="startdate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="guest" NEXT="enrolperiod"/>
+        <FIELD NAME="enrolperiod" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="startdate" NEXT="numsections"/>
+        <FIELD NAME="numsections" TYPE="int" LENGTH="5" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="enrolperiod" NEXT="marker"/>
+        <FIELD NAME="marker" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="numsections" NEXT="maxbytes"/>
+        <FIELD NAME="maxbytes" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="marker" NEXT="showreports"/>
+        <FIELD NAME="showreports" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="maxbytes" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="showreports" NEXT="hiddensections"/>
+        <FIELD NAME="hiddensections" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="visible" NEXT="groupmode"/>
+        <FIELD NAME="groupmode" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="hiddensections" NEXT="groupmodeforce"/>
+        <FIELD NAME="groupmodeforce" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="groupmode" NEXT="defaultgroupingid"/>
+        <FIELD NAME="defaultgroupingid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="default grouping used in course modules, does not have key intentionally" PREVIOUS="groupmodeforce" NEXT="lang"/>
+        <FIELD NAME="lang" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="defaultgroupingid" NEXT="theme"/>
+        <FIELD NAME="theme" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="lang" NEXT="cost"/>
+        <FIELD NAME="cost" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" PREVIOUS="theme" NEXT="currency"/>
+        <FIELD NAME="currency" TYPE="char" LENGTH="3" NOTNULL="true" DEFAULT="USD" SEQUENCE="false" PREVIOUS="cost" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="currency" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated" NEXT="metacourse"/>
+        <FIELD NAME="metacourse" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified" NEXT="requested"/>
+        <FIELD NAME="requested" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="metacourse" NEXT="restrictmodules"/>
+        <FIELD NAME="restrictmodules" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="requested" NEXT="expirynotify"/>
+        <FIELD NAME="expirynotify" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="restrictmodules" NEXT="expirythreshold"/>
+        <FIELD NAME="expirythreshold" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="expirynotify" NEXT="notifystudents"/>
+        <FIELD NAME="notifystudents" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="expirythreshold" NEXT="enrollable"/>
+        <FIELD NAME="enrollable" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="notifystudents" NEXT="enrolstartdate"/>
+        <FIELD NAME="enrolstartdate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="enrollable" NEXT="enrolenddate"/>
+        <FIELD NAME="enrolenddate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="enrolstartdate" NEXT="enrol"/>
+        <FIELD NAME="enrol" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="enrolenddate" NEXT="defaultrole"/>
+        <FIELD NAME="defaultrole" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="The default role given to participants who self-enrol" PREVIOUS="enrol" NEXT="enablecompletion"/>
+        <FIELD NAME="enablecompletion" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="1 = allow use of 'completion' progress-tracking on this course. 0 = disable completion tracking on this course." PREVIOUS="defaultrole"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -122,17 +122,17 @@
     </TABLE>
     <TABLE NAME="course_categories" COMMENT="Course categories" PREVIOUS="course" NEXT="course_display">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="parent"/>
-        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="description" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="parent" NEXT="coursecount"/>
-        <FIELD NAME="coursecount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="sortorder" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="coursecount" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="visible" NEXT="depth"/>
-        <FIELD NAME="depth" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="path"/>
-        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="depth" NEXT="theme"/>
-        <FIELD NAME="theme" TYPE="char" LENGTH="50" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Theme for the category" PREVIOUS="path"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="name" NEXT="parent"/>
+        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="description" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="parent" NEXT="coursecount"/>
+        <FIELD NAME="coursecount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="sortorder" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="coursecount" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="visible" NEXT="depth"/>
+        <FIELD NAME="depth" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified" NEXT="path"/>
+        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="depth" NEXT="theme"/>
+        <FIELD NAME="theme" TYPE="char" LENGTH="50" NOTNULL="false" SEQUENCE="false" COMMENT="Theme for the category" PREVIOUS="path"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="parent"/>
@@ -141,10 +141,10 @@
     </TABLE>
     <TABLE NAME="course_display" COMMENT="Stores info about how to display the course" PREVIOUS="course_categories" NEXT="course_meta">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="display"/>
-        <FIELD NAME="display" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="course" NEXT="display"/>
+        <FIELD NAME="display" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -155,9 +155,9 @@
     </TABLE>
     <TABLE NAME="course_meta" COMMENT="to store meta-courses relations" PREVIOUS="course_display" NEXT="course_modules">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="parent_course"/>
-        <FIELD NAME="parent_course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="child_course"/>
-        <FIELD NAME="child_course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="parent_course"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="parent_course"/>
+        <FIELD NAME="parent_course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="child_course"/>
+        <FIELD NAME="child_course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="parent_course"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -169,27 +169,27 @@
     </TABLE>
     <TABLE NAME="course_modules" COMMENT="course_modules table retrofitted from MySQL" PREVIOUS="course_meta" NEXT="course_modules_availability">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="module"/>
-        <FIELD NAME="module" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="instance"/>
-        <FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="module" NEXT="section"/>
-        <FIELD NAME="section" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="instance" NEXT="idnumber"/>
-        <FIELD NAME="idnumber" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="customizable idnumber" PREVIOUS="section" NEXT="added"/>
-        <FIELD NAME="added" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="idnumber" NEXT="score"/>
-        <FIELD NAME="score" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="added" NEXT="indent"/>
-        <FIELD NAME="indent" TYPE="int" LENGTH="5" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="score" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="indent" NEXT="visibleold"/>
-        <FIELD NAME="visibleold" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="visible" NEXT="groupmode"/>
-        <FIELD NAME="groupmode" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="visibleold" NEXT="groupingid"/>
-        <FIELD NAME="groupingid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupmode" NEXT="groupmembersonly"/>
-        <FIELD NAME="groupmembersonly" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="only members of any group are allowed to access the activity" PREVIOUS="groupingid" NEXT="completion"/>
-        <FIELD NAME="completion" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Whether the completion-tracking facilities are enabled for this activity. 0 = not enabled (database default) 1 = manual tracking, user can tick this activity off (UI default for most activity types) 2 = automatic tracking, system should mark completion according to rules specified in course_moduleS_completion" PREVIOUS="groupmembersonly" NEXT="completiongradeitemnumber"/>
-        <FIELD NAME="completiongradeitemnumber" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Grade-item number used to track automatic completion, if applicable." PREVIOUS="completion" NEXT="completionview"/>
-        <FIELD NAME="completionview" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Controls whether a page view is part of the automatic completion requirements for this activity. 0 = view not required 1 = view required" PREVIOUS="completiongradeitemnumber" NEXT="completionexpected"/>
-        <FIELD NAME="completionexpected" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Date at which students are expected to complete this activity. This field is used when displaying student progress." PREVIOUS="completionview" NEXT="availablefrom"/>
-        <FIELD NAME="availablefrom" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="If set non-zero, the activity only becomes available from the time given here." PREVIOUS="completionexpected" NEXT="availableuntil"/>
-        <FIELD NAME="availableuntil" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="If set non-zero, the activity is only available until the time given here." PREVIOUS="availablefrom" NEXT="showavailability"/>
-        <FIELD NAME="showavailability" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="If this field is set to 1 and the activity is not available because the 'availablefrom' date has not been reached, or one of the conditions in course_modules_availability is not matched, then the item will be displayed greyed-out (unclickable) with an information message such as 'Available from (date)'. Otherwise, the item will not be displayed to students at all." PREVIOUS="availableuntil"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="module"/>
+        <FIELD NAME="module" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="course" NEXT="instance"/>
+        <FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="module" NEXT="section"/>
+        <FIELD NAME="section" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="instance" NEXT="idnumber"/>
+        <FIELD NAME="idnumber" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" COMMENT="customizable idnumber" PREVIOUS="section" NEXT="added"/>
+        <FIELD NAME="added" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="idnumber" NEXT="score"/>
+        <FIELD NAME="score" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="added" NEXT="indent"/>
+        <FIELD NAME="indent" TYPE="int" LENGTH="5" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="score" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="indent" NEXT="visibleold"/>
+        <FIELD NAME="visibleold" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="visible" NEXT="groupmode"/>
+        <FIELD NAME="groupmode" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="visibleold" NEXT="groupingid"/>
+        <FIELD NAME="groupingid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="groupmode" NEXT="groupmembersonly"/>
+        <FIELD NAME="groupmembersonly" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="only members of any group are allowed to access the activity" PREVIOUS="groupingid" NEXT="completion"/>
+        <FIELD NAME="completion" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Whether the completion-tracking facilities are enabled for this activity. 0 = not enabled (database default) 1 = manual tracking, user can tick this activity off (UI default for most activity types) 2 = automatic tracking, system should mark completion according to rules specified in course_moduleS_completion" PREVIOUS="groupmembersonly" NEXT="completiongradeitemnumber"/>
+        <FIELD NAME="completiongradeitemnumber" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Grade-item number used to track automatic completion, if applicable." PREVIOUS="completion" NEXT="completionview"/>
+        <FIELD NAME="completionview" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Controls whether a page view is part of the automatic completion requirements for this activity. 0 = view not required 1 = view required" PREVIOUS="completiongradeitemnumber" NEXT="completionexpected"/>
+        <FIELD NAME="completionexpected" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Date at which students are expected to complete this activity. This field is used when displaying student progress." PREVIOUS="completionview" NEXT="availablefrom"/>
+        <FIELD NAME="availablefrom" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="If set non-zero, the activity only becomes available from the time given here." PREVIOUS="completionexpected" NEXT="availableuntil"/>
+        <FIELD NAME="availableuntil" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="If set non-zero, the activity is only available until the time given here." PREVIOUS="availablefrom" NEXT="showavailability"/>
+        <FIELD NAME="showavailability" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="If this field is set to 1 and the activity is not available because the 'availablefrom' date has not been reached, or one of the conditions in course_modules_availability is not matched, then the item will be displayed greyed-out (unclickable) with an information message such as 'Available from (date)'. Otherwise, the item will not be displayed to students at all." PREVIOUS="availableuntil"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="groupingid"/>
@@ -205,13 +205,13 @@
     </TABLE>
     <TABLE NAME="course_modules_availability" COMMENT="Table stores conditions that affect whether a module/activity is currently available to students or not." PREVIOUS="course_modules" NEXT="course_modules_completion">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="coursemoduleid"/>
-        <FIELD NAME="coursemoduleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="ID of the module whose availability is being restricted by this condition." PREVIOUS="id" NEXT="sourcecmid"/>
-        <FIELD NAME="sourcecmid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this condition is based on completion of another activity, then this is the course-module ID of that activity. Otherwise null." PREVIOUS="coursemoduleid" NEXT="requiredcompletion"/>
-        <FIELD NAME="requiredcompletion" TYPE="int" LENGTH="1" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this condition is on a module's completion, then this should be set to the required completion state. Otherwise null. Suitable values are 1 = completed, 2 = completed-passed, 3 = completed-failed." PREVIOUS="sourcecmid" NEXT="gradeitemid"/>
-        <FIELD NAME="gradeitemid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this condition is based on a gradebook score, the item ID is given here (and the item will now not be available until a value is achieved for that grade). Otherwise null." PREVIOUS="requiredcompletion" NEXT="grademin"/>
-        <FIELD NAME="grademin" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="If set, this is the minimum grade percentage that must be reached (greater than or equal) in order for this module to appear. Otherwise null." PREVIOUS="gradeitemid" NEXT="grademax"/>
-        <FIELD NAME="grademax" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="If set, this is the maximum grade percentage that users must be below (less than) in order to display this item. Otherwise null." PREVIOUS="grademin"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="coursemoduleid"/>
+        <FIELD NAME="coursemoduleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="ID of the module whose availability is being restricted by this condition." PREVIOUS="id" NEXT="sourcecmid"/>
+        <FIELD NAME="sourcecmid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="If this condition is based on completion of another activity, then this is the course-module ID of that activity. Otherwise null." PREVIOUS="coursemoduleid" NEXT="requiredcompletion"/>
+        <FIELD NAME="requiredcompletion" TYPE="int" LENGTH="1" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="If this condition is on a module's completion, then this should be set to the required completion state. Otherwise null. Suitable values are 1 = completed, 2 = completed-passed, 3 = completed-failed." PREVIOUS="sourcecmid" NEXT="gradeitemid"/>
+        <FIELD NAME="gradeitemid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="If this condition is based on a gradebook score, the item ID is given here (and the item will now not be available until a value is achieved for that grade). Otherwise null." PREVIOUS="requiredcompletion" NEXT="grademin"/>
+        <FIELD NAME="grademin" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="5" COMMENT="If set, this is the minimum grade percentage that must be reached (greater than or equal) in order for this module to appear. Otherwise null." PREVIOUS="gradeitemid" NEXT="grademax"/>
+        <FIELD NAME="grademax" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="5" COMMENT="If set, this is the maximum grade percentage that users must be below (less than) in order to display this item. Otherwise null." PREVIOUS="grademin"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="coursemoduleid"/>
@@ -222,12 +222,12 @@
     </TABLE>
     <TABLE NAME="course_modules_completion" COMMENT="Stores the completion state (completed or not completed, etc) of each user on each activity." PREVIOUS="course_modules_availability" NEXT="course_sections">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="coursemoduleid"/>
-        <FIELD NAME="coursemoduleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Activity that has been completed (or not)." PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="ID of user who has (or hasn't) completed the activity." PREVIOUS="coursemoduleid" NEXT="completionstate"/>
-        <FIELD NAME="completionstate" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Whether or not the user has completed the activity. Available states: 0 = not completed [if there's no row in this table, that also counts as 0] 1 = completed 2 = completed, show passed 3 = completed, show failed" PREVIOUS="userid" NEXT="viewed"/>
-        <FIELD NAME="viewed" TYPE="int" LENGTH="1" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Tracks whether or not this activity has been viewed. NULL = we are not tracking viewed for this activity 0 = not viewed 1 = viewed" PREVIOUS="completionstate" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Time at which the completion state last changed." PREVIOUS="viewed"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="coursemoduleid"/>
+        <FIELD NAME="coursemoduleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="Activity that has been completed (or not)." PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="ID of user who has (or hasn't) completed the activity." PREVIOUS="coursemoduleid" NEXT="completionstate"/>
+        <FIELD NAME="completionstate" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="Whether or not the user has completed the activity. Available states: 0 = not completed [if there's no row in this table, that also counts as 0] 1 = completed 2 = completed, show passed 3 = completed, show failed" PREVIOUS="userid" NEXT="viewed"/>
+        <FIELD NAME="viewed" TYPE="int" LENGTH="1" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Tracks whether or not this activity has been viewed. NULL = we are not tracking viewed for this activity 0 = not viewed 1 = viewed" PREVIOUS="completionstate" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="Time at which the completion state last changed." PREVIOUS="viewed"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -239,12 +239,12 @@
     </TABLE>
     <TABLE NAME="course_sections" COMMENT="to define the sections for each course" PREVIOUS="course_modules_completion" NEXT="course_request">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="section"/>
-        <FIELD NAME="section" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="summary"/>
-        <FIELD NAME="summary" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="section" NEXT="sequence"/>
-        <FIELD NAME="sequence" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="summary" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="sequence"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="section"/>
+        <FIELD NAME="section" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="course" NEXT="summary"/>
+        <FIELD NAME="summary" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="section" NEXT="sequence"/>
+        <FIELD NAME="sequence" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="summary" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="sequence"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -255,13 +255,13 @@
     </TABLE>
     <TABLE NAME="course_request" COMMENT="course requests" PREVIOUS="course_sections" NEXT="course_allowed_modules">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="fullname"/>
-        <FIELD NAME="fullname" TYPE="char" LENGTH="254" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="shortname"/>
-        <FIELD NAME="shortname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="fullname" NEXT="summary"/>
-        <FIELD NAME="summary" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="shortname" NEXT="reason"/>
-        <FIELD NAME="reason" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="summary" NEXT="requester"/>
-        <FIELD NAME="requester" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="reason" NEXT="password"/>
-        <FIELD NAME="password" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="requester"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="fullname"/>
+        <FIELD NAME="fullname" TYPE="char" LENGTH="254" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="shortname"/>
+        <FIELD NAME="shortname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="fullname" NEXT="summary"/>
+        <FIELD NAME="summary" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="shortname" NEXT="reason"/>
+        <FIELD NAME="reason" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="summary" NEXT="requester"/>
+        <FIELD NAME="requester" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="reason" NEXT="password"/>
+        <FIELD NAME="password" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="requester"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -272,9 +272,9 @@
     </TABLE>
     <TABLE NAME="course_allowed_modules" COMMENT="allowed modules foreach course" PREVIOUS="course_request" NEXT="filter_active">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="module"/>
-        <FIELD NAME="module" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="module"/>
+        <FIELD NAME="module" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="course"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -286,11 +286,11 @@
     </TABLE>
     <TABLE NAME="filter_active" COMMENT="Stores information about which filters are active in which contexts. Also the filter sort order. See get_active_filters in lib/filterlib.php for how this data is used." PREVIOUS="course_allowed_modules" NEXT="filter_config">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="filter"/>
-        <FIELD NAME="filter" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The filter internal name, like 'filter/tex' or 'mod/glossary'." PREVIOUS="id" NEXT="contextid"/>
-        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="References context.id." PREVIOUS="filter" NEXT="active"/>
-        <FIELD NAME="active" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" ENUM="false" COMMENT="Whether this filter is active in this context. +1 = On, -1 = Off, no row with this contextid = inherit. As a special case, when contextid points to the system context, -9999 means this filter is completely disabled." PREVIOUS="contextid" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Only relevant if contextid points to the system context. In other cases this field should contain 0. The order in which the filters should be applied." PREVIOUS="active"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="filter"/>
+        <FIELD NAME="filter" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" COMMENT="The filter internal name, like 'filter/tex' or 'mod/glossary'." PREVIOUS="id" NEXT="contextid"/>
+        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="References context.id." PREVIOUS="filter" NEXT="active"/>
+        <FIELD NAME="active" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" COMMENT="Whether this filter is active in this context. +1 = On, -1 = Off, no row with this contextid = inherit. As a special case, when contextid points to the system context, -9999 means this filter is completely disabled." PREVIOUS="contextid" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Only relevant if contextid points to the system context. In other cases this field should contain 0. The order in which the filters should be applied." PREVIOUS="active"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="contextid"/>
@@ -302,11 +302,11 @@
     </TABLE>
     <TABLE NAME="filter_config" COMMENT="Stores per-context configuration settings for filters which have them." PREVIOUS="filter_active" NEXT="event">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="filter"/>
-        <FIELD NAME="filter" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The filter internal name, like 'filter/tex' or 'mod/glossary'." PREVIOUS="id" NEXT="contextid"/>
-        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="References context.id." PREVIOUS="filter" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The config variable name." PREVIOUS="contextid" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="The correspoding config variable value." PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="filter"/>
+        <FIELD NAME="filter" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" COMMENT="The filter internal name, like 'filter/tex' or 'mod/glossary'." PREVIOUS="id" NEXT="contextid"/>
+        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="References context.id." PREVIOUS="filter" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="The config variable name." PREVIOUS="contextid" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" COMMENT="The correspoding config variable value." PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="contextid"/>
@@ -318,23 +318,23 @@
     </TABLE>
     <TABLE NAME="event" COMMENT="For everything with a time associated to it" PREVIOUS="filter_config" NEXT="cache_filters">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="format"/>
-        <FIELD NAME="format" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="description" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="format" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="repeatid"/>
-        <FIELD NAME="repeatid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="modulename"/>
-        <FIELD NAME="modulename" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="repeatid" NEXT="instance"/>
-        <FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="modulename" NEXT="eventtype"/>
-        <FIELD NAME="eventtype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="instance" NEXT="timestart"/>
-        <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="eventtype" NEXT="timeduration"/>
-        <FIELD NAME="timeduration" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timestart" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="timeduration" NEXT="uuid"/>
-        <FIELD NAME="uuid" TYPE="char" LENGTH="36" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="visible" NEXT="sequence"/>
-        <FIELD NAME="sequence" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="uuid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="sequence"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="format"/>
+        <FIELD NAME="format" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="description" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="format" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="groupid" NEXT="repeatid"/>
+        <FIELD NAME="repeatid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="modulename"/>
+        <FIELD NAME="modulename" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="repeatid" NEXT="instance"/>
+        <FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="modulename" NEXT="eventtype"/>
+        <FIELD NAME="eventtype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="instance" NEXT="timestart"/>
+        <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="eventtype" NEXT="timeduration"/>
+        <FIELD NAME="timeduration" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timestart" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="timeduration" NEXT="uuid"/>
+        <FIELD NAME="uuid" TYPE="char" LENGTH="36" NOTNULL="true" SEQUENCE="false" PREVIOUS="visible" NEXT="sequence"/>
+        <FIELD NAME="sequence" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="uuid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="sequence"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -349,12 +349,12 @@
     </TABLE>
     <TABLE NAME="cache_filters" COMMENT="For keeping information about cached data" PREVIOUS="event" NEXT="cache_text">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="filter"/>
-        <FIELD NAME="filter" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="version"/>
-        <FIELD NAME="version" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="filter" NEXT="md5key"/>
-        <FIELD NAME="md5key" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="rawtext"/>
-        <FIELD NAME="rawtext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="md5key" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="rawtext"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="filter"/>
+        <FIELD NAME="filter" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="version"/>
+        <FIELD NAME="version" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="filter" NEXT="md5key"/>
+        <FIELD NAME="md5key" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" PREVIOUS="version" NEXT="rawtext"/>
+        <FIELD NAME="rawtext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="md5key" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="rawtext"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -365,10 +365,10 @@
     </TABLE>
     <TABLE NAME="cache_text" COMMENT="For storing temporary copies of processed texts" PREVIOUS="cache_filters" NEXT="log">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="md5key"/>
-        <FIELD NAME="md5key" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="formattedtext"/>
-        <FIELD NAME="formattedtext" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="md5key" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="formattedtext"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="md5key"/>
+        <FIELD NAME="md5key" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="formattedtext"/>
+        <FIELD NAME="formattedtext" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" PREVIOUS="md5key" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="formattedtext"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -380,16 +380,16 @@
     </TABLE>
     <TABLE NAME="log" COMMENT="Every action is logged as far as possible" PREVIOUS="cache_text" NEXT="log_display">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="time"/>
-        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="time" NEXT="ip"/>
-        <FIELD NAME="ip" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="ip" NEXT="module"/>
-        <FIELD NAME="module" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="cmid"/>
-        <FIELD NAME="cmid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="module" NEXT="action"/>
-        <FIELD NAME="action" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="cmid" NEXT="url"/>
-        <FIELD NAME="url" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="action" NEXT="info"/>
-        <FIELD NAME="info" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="url"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="time"/>
+        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="time" NEXT="ip"/>
+        <FIELD NAME="ip" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="ip" NEXT="module"/>
+        <FIELD NAME="module" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="cmid"/>
+        <FIELD NAME="cmid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="module" NEXT="action"/>
+        <FIELD NAME="action" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" PREVIOUS="cmid" NEXT="url"/>
+        <FIELD NAME="url" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="action" NEXT="info"/>
+        <FIELD NAME="info" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="url"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -404,11 +404,11 @@
     </TABLE>
     <TABLE NAME="log_display" COMMENT="For a particular module/action, specifies a moodle table/field" PREVIOUS="log" NEXT="message">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="module"/>
-        <FIELD NAME="module" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="action"/>
-        <FIELD NAME="action" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="module" NEXT="mtable"/>
-        <FIELD NAME="mtable" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="action" NEXT="field"/>
-        <FIELD NAME="field" TYPE="char" LENGTH="200" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="mtable"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="module"/>
+        <FIELD NAME="module" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="action"/>
+        <FIELD NAME="action" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" PREVIOUS="module" NEXT="mtable"/>
+        <FIELD NAME="mtable" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="action" NEXT="field"/>
+        <FIELD NAME="field" TYPE="char" LENGTH="200" NOTNULL="true" SEQUENCE="false" PREVIOUS="mtable"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -419,15 +419,15 @@
     </TABLE>
     <TABLE NAME="message" COMMENT="Stores all unread messages" PREVIOUS="log_display" NEXT="message_read">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="useridfrom"/>
-        <FIELD NAME="useridfrom" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="useridto"/>
-        <FIELD NAME="useridto" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="useridfrom" NEXT="subject"/>
-        <FIELD NAME="subject" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="The message subject" PREVIOUS="useridto" NEXT="fullmessage"/>
-        <FIELD NAME="fullmessage" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="subject" NEXT="fullmessageformat"/>
-        <FIELD NAME="fullmessageformat" TYPE="int" LENGTH="4" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="The format of the full message" PREVIOUS="fullmessage" NEXT="fullmessagehtml"/>
-        <FIELD NAME="fullmessagehtml" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="html format of message" PREVIOUS="fullmessageformat" NEXT="smallmessage"/>
-        <FIELD NAME="smallmessage" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Smal version of message (eg sms)" PREVIOUS="fullmessagehtml" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="smallmessage"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="useridfrom"/>
+        <FIELD NAME="useridfrom" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="useridto"/>
+        <FIELD NAME="useridto" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="useridfrom" NEXT="subject"/>
+        <FIELD NAME="subject" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" COMMENT="The message subject" PREVIOUS="useridto" NEXT="fullmessage"/>
+        <FIELD NAME="fullmessage" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="subject" NEXT="fullmessageformat"/>
+        <FIELD NAME="fullmessageformat" TYPE="int" LENGTH="4" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="The format of the full message" PREVIOUS="fullmessage" NEXT="fullmessagehtml"/>
+        <FIELD NAME="fullmessagehtml" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="html format of message" PREVIOUS="fullmessageformat" NEXT="smallmessage"/>
+        <FIELD NAME="smallmessage" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" COMMENT="Smal version of message (eg sms)" PREVIOUS="fullmessagehtml" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="smallmessage"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -439,16 +439,16 @@
     </TABLE>
     <TABLE NAME="message_read" COMMENT="Stores all messages that have been read" PREVIOUS="message" NEXT="message_contacts">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="useridfrom"/>
-        <FIELD NAME="useridfrom" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="useridto"/>
-        <FIELD NAME="useridto" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="useridfrom" NEXT="subject"/>
-        <FIELD NAME="subject" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="The message subject" PREVIOUS="useridto" NEXT="fullmessage"/>
-        <FIELD NAME="fullmessage" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="subject" NEXT="fullmessageformat"/>
-        <FIELD NAME="fullmessageformat" TYPE="int" LENGTH="4" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="The format of the full message" PREVIOUS="fullmessage" NEXT="fullmessagehtml"/>
-        <FIELD NAME="fullmessagehtml" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="html format of message" PREVIOUS="fullmessageformat" NEXT="smallmessage"/>
-        <FIELD NAME="smallmessage" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Smal version of message (eg sms)" PREVIOUS="fullmessagehtml" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="smallmessage" NEXT="timeread"/>
-        <FIELD NAME="timeread" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="useridfrom"/>
+        <FIELD NAME="useridfrom" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="useridto"/>
+        <FIELD NAME="useridto" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="useridfrom" NEXT="subject"/>
+        <FIELD NAME="subject" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" COMMENT="The message subject" PREVIOUS="useridto" NEXT="fullmessage"/>
+        <FIELD NAME="fullmessage" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="subject" NEXT="fullmessageformat"/>
+        <FIELD NAME="fullmessageformat" TYPE="int" LENGTH="4" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="The format of the full message" PREVIOUS="fullmessage" NEXT="fullmessagehtml"/>
+        <FIELD NAME="fullmessagehtml" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="html format of message" PREVIOUS="fullmessageformat" NEXT="smallmessage"/>
+        <FIELD NAME="smallmessage" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" COMMENT="Smal version of message (eg sms)" PREVIOUS="fullmessagehtml" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="smallmessage" NEXT="timeread"/>
+        <FIELD NAME="timeread" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -460,10 +460,10 @@
     </TABLE>
     <TABLE NAME="message_contacts" COMMENT="Maintains lists of relationships between users" PREVIOUS="message_read" NEXT="modules">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="contactid"/>
-        <FIELD NAME="contactid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="blocked"/>
-        <FIELD NAME="blocked" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="contactid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="contactid"/>
+        <FIELD NAME="contactid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="blocked"/>
+        <FIELD NAME="blocked" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="contactid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -474,13 +474,13 @@
     </TABLE>
     <TABLE NAME="modules" COMMENT="modules available in the site" PREVIOUS="message_contacts" NEXT="sessions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="version"/>
-        <FIELD NAME="version" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="cron"/>
-        <FIELD NAME="cron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="lastcron"/>
-        <FIELD NAME="lastcron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="cron" NEXT="search"/>
-        <FIELD NAME="search" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="lastcron" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="search"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="version"/>
+        <FIELD NAME="version" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="name" NEXT="cron"/>
+        <FIELD NAME="cron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="version" NEXT="lastcron"/>
+        <FIELD NAME="lastcron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="cron" NEXT="search"/>
+        <FIELD NAME="search" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="lastcron" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="search"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -491,15 +491,15 @@
     </TABLE>
     <TABLE NAME="sessions" COMMENT="Database based session storage - now recommended" PREVIOUS="modules" NEXT="timezone">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="state"/>
-        <FIELD NAME="state" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="0 means normal session" PREVIOUS="id" NEXT="sid"/>
-        <FIELD NAME="sid" TYPE="char" LENGTH="128" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Session id" PREVIOUS="state" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="sid" NEXT="sessdata"/>
-        <FIELD NAME="sessdata" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="session content" PREVIOUS="userid" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="sessdata" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="firstip"/>
-        <FIELD NAME="firstip" TYPE="char" LENGTH="45" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="lastip"/>
-        <FIELD NAME="lastip" TYPE="char" LENGTH="45" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="firstip"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="state"/>
+        <FIELD NAME="state" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="0 means normal session" PREVIOUS="id" NEXT="sid"/>
+        <FIELD NAME="sid" TYPE="char" LENGTH="128" NOTNULL="true" SEQUENCE="false" COMMENT="Session id" PREVIOUS="state" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="sid" NEXT="sessdata"/>
+        <FIELD NAME="sessdata" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="session content" PREVIOUS="userid" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="sessdata" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="timecreated" NEXT="firstip"/>
+        <FIELD NAME="firstip" TYPE="char" LENGTH="45" NOTNULL="false" SEQUENCE="false" PREVIOUS="timemodified" NEXT="lastip"/>
+        <FIELD NAME="lastip" TYPE="char" LENGTH="45" NOTNULL="false" SEQUENCE="false" PREVIOUS="firstip"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="userid"/>
@@ -514,22 +514,22 @@
     </TABLE>
     <TABLE NAME="timezone" COMMENT="Rules for calculating local wall clock time for users" PREVIOUS="sessions" NEXT="user">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="year"/>
-        <FIELD NAME="year" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="tzrule"/>
-        <FIELD NAME="tzrule" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="year" NEXT="gmtoff"/>
-        <FIELD NAME="gmtoff" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="tzrule" NEXT="dstoff"/>
-        <FIELD NAME="dstoff" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="gmtoff" NEXT="dst_month"/>
-        <FIELD NAME="dst_month" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="dstoff" NEXT="dst_startday"/>
-        <FIELD NAME="dst_startday" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="dst_month" NEXT="dst_weekday"/>
-        <FIELD NAME="dst_weekday" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="dst_startday" NEXT="dst_skipweeks"/>
-        <FIELD NAME="dst_skipweeks" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="dst_weekday" NEXT="dst_time"/>
-        <FIELD NAME="dst_time" TYPE="char" LENGTH="6" NOTNULL="true" DEFAULT="00:00" SEQUENCE="false" ENUM="false" PREVIOUS="dst_skipweeks" NEXT="std_month"/>
-        <FIELD NAME="std_month" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="dst_time" NEXT="std_startday"/>
-        <FIELD NAME="std_startday" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="std_month" NEXT="std_weekday"/>
-        <FIELD NAME="std_weekday" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="std_startday" NEXT="std_skipweeks"/>
-        <FIELD NAME="std_skipweeks" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="std_weekday" NEXT="std_time"/>
-        <FIELD NAME="std_time" TYPE="char" LENGTH="6" NOTNULL="true" DEFAULT="00:00" SEQUENCE="false" ENUM="false" PREVIOUS="std_skipweeks"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="year"/>
+        <FIELD NAME="year" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="name" NEXT="tzrule"/>
+        <FIELD NAME="tzrule" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="year" NEXT="gmtoff"/>
+        <FIELD NAME="gmtoff" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="tzrule" NEXT="dstoff"/>
+        <FIELD NAME="dstoff" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="gmtoff" NEXT="dst_month"/>
+        <FIELD NAME="dst_month" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="dstoff" NEXT="dst_startday"/>
+        <FIELD NAME="dst_startday" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="dst_month" NEXT="dst_weekday"/>
+        <FIELD NAME="dst_weekday" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="dst_startday" NEXT="dst_skipweeks"/>
+        <FIELD NAME="dst_skipweeks" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="dst_weekday" NEXT="dst_time"/>
+        <FIELD NAME="dst_time" TYPE="char" LENGTH="6" NOTNULL="true" DEFAULT="00:00" SEQUENCE="false" PREVIOUS="dst_skipweeks" NEXT="std_month"/>
+        <FIELD NAME="std_month" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="dst_time" NEXT="std_startday"/>
+        <FIELD NAME="std_startday" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="std_month" NEXT="std_weekday"/>
+        <FIELD NAME="std_weekday" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="std_startday" NEXT="std_skipweeks"/>
+        <FIELD NAME="std_skipweeks" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="std_weekday" NEXT="std_time"/>
+        <FIELD NAME="std_time" TYPE="char" LENGTH="6" NOTNULL="true" DEFAULT="00:00" SEQUENCE="false" PREVIOUS="std_skipweeks"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -537,54 +537,54 @@
     </TABLE>
     <TABLE NAME="user" COMMENT="One record for each person" PREVIOUS="timezone" NEXT="user_preferences">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="auth"/>
-        <FIELD NAME="auth" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="manual" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="confirmed"/>
-        <FIELD NAME="confirmed" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="auth" NEXT="policyagreed"/>
-        <FIELD NAME="policyagreed" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="confirmed" NEXT="deleted"/>
-        <FIELD NAME="deleted" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="policyagreed" NEXT="mnethostid"/>
-        <FIELD NAME="mnethostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="deleted" NEXT="username"/>
-        <FIELD NAME="username" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="mnethostid" NEXT="password"/>
-        <FIELD NAME="password" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="username" NEXT="idnumber"/>
-        <FIELD NAME="idnumber" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="password" NEXT="firstname"/>
-        <FIELD NAME="firstname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="idnumber" NEXT="lastname"/>
-        <FIELD NAME="lastname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="firstname" NEXT="email"/>
-        <FIELD NAME="email" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="lastname" NEXT="emailstop"/>
-        <FIELD NAME="emailstop" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="email" NEXT="icq"/>
-        <FIELD NAME="icq" TYPE="char" LENGTH="15" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="emailstop" NEXT="skype"/>
-        <FIELD NAME="skype" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="icq" NEXT="yahoo"/>
-        <FIELD NAME="yahoo" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="skype" NEXT="aim"/>
-        <FIELD NAME="aim" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="yahoo" NEXT="msn"/>
-        <FIELD NAME="msn" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="aim" NEXT="phone1"/>
-        <FIELD NAME="phone1" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="msn" NEXT="phone2"/>
-        <FIELD NAME="phone2" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="phone1" NEXT="institution"/>
-        <FIELD NAME="institution" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="phone2" NEXT="department"/>
-        <FIELD NAME="department" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="institution" NEXT="address"/>
-        <FIELD NAME="address" TYPE="char" LENGTH="70" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="department" NEXT="city"/>
-        <FIELD NAME="city" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="address" NEXT="country"/>
-        <FIELD NAME="country" TYPE="char" LENGTH="2" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="city" NEXT="lang"/>
-        <FIELD NAME="lang" TYPE="char" LENGTH="30" NOTNULL="true" DEFAULT="en_utf8" SEQUENCE="false" ENUM="false" PREVIOUS="country" NEXT="theme"/>
-        <FIELD NAME="theme" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="lang" NEXT="timezone"/>
-        <FIELD NAME="timezone" TYPE="char" LENGTH="100" NOTNULL="true" DEFAULT="99" SEQUENCE="false" ENUM="false" PREVIOUS="theme" NEXT="firstaccess"/>
-        <FIELD NAME="firstaccess" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timezone" NEXT="lastaccess"/>
-        <FIELD NAME="lastaccess" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="firstaccess" NEXT="lastlogin"/>
-        <FIELD NAME="lastlogin" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lastaccess" NEXT="currentlogin"/>
-        <FIELD NAME="currentlogin" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lastlogin" NEXT="lastip"/>
-        <FIELD NAME="lastip" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="currentlogin" NEXT="secret"/>
-        <FIELD NAME="secret" TYPE="char" LENGTH="15" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="lastip" NEXT="picture"/>
-        <FIELD NAME="picture" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="secret" NEXT="url"/>
-        <FIELD NAME="url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="picture" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="url" NEXT="mailformat"/>
-        <FIELD NAME="mailformat" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="description" NEXT="maildigest"/>
-        <FIELD NAME="maildigest" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="mailformat" NEXT="maildisplay"/>
-        <FIELD NAME="maildisplay" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="2" SEQUENCE="false" ENUM="false" PREVIOUS="maildigest" NEXT="htmleditor"/>
-        <FIELD NAME="htmleditor" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="maildisplay" NEXT="ajax"/>
-        <FIELD NAME="ajax" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="htmleditor" NEXT="autosubscribe"/>
-        <FIELD NAME="autosubscribe" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="ajax" NEXT="trackforums"/>
-        <FIELD NAME="trackforums" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="autosubscribe" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="trackforums" NEXT="trustbitmask"/>
-        <FIELD NAME="trustbitmask" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="imagealt"/>
-        <FIELD NAME="imagealt" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="alt tag for user uploaded image" PREVIOUS="trustbitmask" NEXT="screenreader"/>
-        <FIELD NAME="screenreader" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="flag for determining whehter the user uses a screenreader." PREVIOUS="imagealt"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="auth"/>
+        <FIELD NAME="auth" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="manual" SEQUENCE="false" PREVIOUS="id" NEXT="confirmed"/>
+        <FIELD NAME="confirmed" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="auth" NEXT="policyagreed"/>
+        <FIELD NAME="policyagreed" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="confirmed" NEXT="deleted"/>
+        <FIELD NAME="deleted" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="policyagreed" NEXT="mnethostid"/>
+        <FIELD NAME="mnethostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="deleted" NEXT="username"/>
+        <FIELD NAME="username" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="mnethostid" NEXT="password"/>
+        <FIELD NAME="password" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" PREVIOUS="username" NEXT="idnumber"/>
+        <FIELD NAME="idnumber" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="password" NEXT="firstname"/>
+        <FIELD NAME="firstname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="idnumber" NEXT="lastname"/>
+        <FIELD NAME="lastname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="firstname" NEXT="email"/>
+        <FIELD NAME="email" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="lastname" NEXT="emailstop"/>
+        <FIELD NAME="emailstop" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="email" NEXT="icq"/>
+        <FIELD NAME="icq" TYPE="char" LENGTH="15" NOTNULL="true" SEQUENCE="false" PREVIOUS="emailstop" NEXT="skype"/>
+        <FIELD NAME="skype" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="icq" NEXT="yahoo"/>
+        <FIELD NAME="yahoo" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="skype" NEXT="aim"/>
+        <FIELD NAME="aim" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="yahoo" NEXT="msn"/>
+        <FIELD NAME="msn" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="aim" NEXT="phone1"/>
+        <FIELD NAME="phone1" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="msn" NEXT="phone2"/>
+        <FIELD NAME="phone2" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="phone1" NEXT="institution"/>
+        <FIELD NAME="institution" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" PREVIOUS="phone2" NEXT="department"/>
+        <FIELD NAME="department" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="institution" NEXT="address"/>
+        <FIELD NAME="address" TYPE="char" LENGTH="70" NOTNULL="true" SEQUENCE="false" PREVIOUS="department" NEXT="city"/>
+        <FIELD NAME="city" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="address" NEXT="country"/>
+        <FIELD NAME="country" TYPE="char" LENGTH="2" NOTNULL="true" SEQUENCE="false" PREVIOUS="city" NEXT="lang"/>
+        <FIELD NAME="lang" TYPE="char" LENGTH="30" NOTNULL="true" DEFAULT="en_utf8" SEQUENCE="false" PREVIOUS="country" NEXT="theme"/>
+        <FIELD NAME="theme" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="lang" NEXT="timezone"/>
+        <FIELD NAME="timezone" TYPE="char" LENGTH="100" NOTNULL="true" DEFAULT="99" SEQUENCE="false" PREVIOUS="theme" NEXT="firstaccess"/>
+        <FIELD NAME="firstaccess" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timezone" NEXT="lastaccess"/>
+        <FIELD NAME="lastaccess" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="firstaccess" NEXT="lastlogin"/>
+        <FIELD NAME="lastlogin" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lastaccess" NEXT="currentlogin"/>
+        <FIELD NAME="currentlogin" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lastlogin" NEXT="lastip"/>
+        <FIELD NAME="lastip" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false" PREVIOUS="currentlogin" NEXT="secret"/>
+        <FIELD NAME="secret" TYPE="char" LENGTH="15" NOTNULL="true" SEQUENCE="false" PREVIOUS="lastip" NEXT="picture"/>
+        <FIELD NAME="picture" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="secret" NEXT="url"/>
+        <FIELD NAME="url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="picture" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="url" NEXT="mailformat"/>
+        <FIELD NAME="mailformat" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="description" NEXT="maildigest"/>
+        <FIELD NAME="maildigest" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="mailformat" NEXT="maildisplay"/>
+        <FIELD NAME="maildisplay" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="2" SEQUENCE="false" PREVIOUS="maildigest" NEXT="htmleditor"/>
+        <FIELD NAME="htmleditor" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="maildisplay" NEXT="ajax"/>
+        <FIELD NAME="ajax" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="htmleditor" NEXT="autosubscribe"/>
+        <FIELD NAME="autosubscribe" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="ajax" NEXT="trackforums"/>
+        <FIELD NAME="trackforums" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="autosubscribe" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="trackforums" NEXT="trustbitmask"/>
+        <FIELD NAME="trustbitmask" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified" NEXT="imagealt"/>
+        <FIELD NAME="imagealt" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="alt tag for user uploaded image" PREVIOUS="trustbitmask" NEXT="screenreader"/>
+        <FIELD NAME="screenreader" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="flag for determining whehter the user uses a screenreader." PREVIOUS="imagealt"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -605,10 +605,10 @@
     </TABLE>
     <TABLE NAME="user_preferences" COMMENT="Allows modules to store arbitrary user preferences" PREVIOUS="user" NEXT="user_lastaccess">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="value"/>
-        <FIELD NAME="value" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="value"/>
+        <FIELD NAME="value" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -619,10 +619,10 @@
     </TABLE>
     <TABLE NAME="user_lastaccess" COMMENT="To keep track of course page access times, used in online participants block, and participants list" PREVIOUS="user_preferences" NEXT="scale">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timeaccess"/>
-        <FIELD NAME="timeaccess" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="timeaccess"/>
+        <FIELD NAME="timeaccess" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -635,13 +635,13 @@
     </TABLE>
     <TABLE NAME="scale" COMMENT="Defines grading scales" PREVIOUS="user_lastaccess" NEXT="scale_history">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="scale"/>
-        <FIELD NAME="scale" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="scale" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="description"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="scale"/>
+        <FIELD NAME="scale" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="scale" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="description"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -652,17 +652,17 @@
     </TABLE>
     <TABLE NAME="scale_history" COMMENT="History table" PREVIOUS="scale" NEXT="stats_daily">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="action"/>
-        <FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="created/modified/deleted constants" PREVIOUS="id" NEXT="oldid"/>
-        <FIELD NAME="oldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="action" NEXT="source"/>
-        <FIELD NAME="source" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="What caused the modification? manual/module/import/..." PREVIOUS="oldid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The last time this grade_item was modified" PREVIOUS="source" NEXT="loggeduser"/>
-        <FIELD NAME="loggeduser" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="loggeduser" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="scale"/>
-        <FIELD NAME="scale" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="scale"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="action"/>
+        <FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="created/modified/deleted constants" PREVIOUS="id" NEXT="oldid"/>
+        <FIELD NAME="oldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="action" NEXT="source"/>
+        <FIELD NAME="source" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="What caused the modification? manual/module/import/..." PREVIOUS="oldid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The last time this grade_item was modified" PREVIOUS="source" NEXT="loggeduser"/>
+        <FIELD NAME="loggeduser" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="loggeduser" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="scale"/>
+        <FIELD NAME="scale" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="scale"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="oldid"/>
@@ -676,13 +676,13 @@
     </TABLE>
     <TABLE NAME="stats_daily" COMMENT="to accumulate daily stats" PREVIOUS="scale_history" NEXT="stats_weekly">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="timeend"/>
-        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="id of role for the aggregates" PREVIOUS="timeend" NEXT="stattype"/>
-        <FIELD NAME="stattype" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="activity" SEQUENCE="false" ENUM="false" COMMENT="type of stat" PREVIOUS="roleid" NEXT="stat1"/>
-        <FIELD NAME="stat1" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="stat1. usually used for reads" PREVIOUS="stattype" NEXT="stat2"/>
-        <FIELD NAME="stat2" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="stat2. usually used for writes." PREVIOUS="stat1"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="timeend"/>
+        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="id of role for the aggregates" PREVIOUS="timeend" NEXT="stattype"/>
+        <FIELD NAME="stattype" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="activity" SEQUENCE="false" COMMENT="type of stat" PREVIOUS="roleid" NEXT="stat1"/>
+        <FIELD NAME="stat1" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="stat1. usually used for reads" PREVIOUS="stattype" NEXT="stat2"/>
+        <FIELD NAME="stat2" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="stat2. usually used for writes." PREVIOUS="stat1"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -695,13 +695,13 @@
     </TABLE>
     <TABLE NAME="stats_weekly" COMMENT="To accumulate weekly stats" PREVIOUS="stats_daily" NEXT="stats_monthly">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="timeend"/>
-        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="id of role for the aggregates" PREVIOUS="timeend" NEXT="stattype"/>
-        <FIELD NAME="stattype" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="activity" SEQUENCE="false" ENUM="false" COMMENT="type of stat" PREVIOUS="roleid" NEXT="stat1"/>
-        <FIELD NAME="stat1" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="stat1. usually used for reads" PREVIOUS="stattype" NEXT="stat2"/>
-        <FIELD NAME="stat2" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="stat2. usually used for writes." PREVIOUS="stat1"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="timeend"/>
+        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="id of role for the aggregates" PREVIOUS="timeend" NEXT="stattype"/>
+        <FIELD NAME="stattype" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="activity" SEQUENCE="false" COMMENT="type of stat" PREVIOUS="roleid" NEXT="stat1"/>
+        <FIELD NAME="stat1" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="stat1. usually used for reads" PREVIOUS="stattype" NEXT="stat2"/>
+        <FIELD NAME="stat2" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="stat2. usually used for writes." PREVIOUS="stat1"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -714,13 +714,13 @@
     </TABLE>
     <TABLE NAME="stats_monthly" COMMENT="To accumulate monthly stats" PREVIOUS="stats_weekly" NEXT="stats_user_daily">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="timeend"/>
-        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="id of role for the aggregates" PREVIOUS="timeend" NEXT="stattype"/>
-        <FIELD NAME="stattype" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="activity" SEQUENCE="false" ENUM="false" COMMENT="type of stat" PREVIOUS="roleid" NEXT="stat1"/>
-        <FIELD NAME="stat1" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="stat1. usually used for reads" PREVIOUS="stattype" NEXT="stat2"/>
-        <FIELD NAME="stat2" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="stat2. usually used for writes." PREVIOUS="stat1"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="timeend"/>
+        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="id of role for the aggregates" PREVIOUS="timeend" NEXT="stattype"/>
+        <FIELD NAME="stattype" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="activity" SEQUENCE="false" COMMENT="type of stat" PREVIOUS="roleid" NEXT="stat1"/>
+        <FIELD NAME="stat1" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="stat1. usually used for reads" PREVIOUS="stattype" NEXT="stat2"/>
+        <FIELD NAME="stat2" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="stat2. usually used for writes." PREVIOUS="stat1"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -733,14 +733,14 @@
     </TABLE>
     <TABLE NAME="stats_user_daily" COMMENT="To accumulate daily stats per course/user" PREVIOUS="stats_monthly" NEXT="stats_user_weekly">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timeend"/>
-        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="roleid" NEXT="statsreads"/>
-        <FIELD NAME="statsreads" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeend" NEXT="statswrites"/>
-        <FIELD NAME="statswrites" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="statsreads" NEXT="stattype"/>
-        <FIELD NAME="stattype" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="statswrites"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="timeend"/>
+        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="roleid" NEXT="statsreads"/>
+        <FIELD NAME="statsreads" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeend" NEXT="statswrites"/>
+        <FIELD NAME="statswrites" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="statsreads" NEXT="stattype"/>
+        <FIELD NAME="stattype" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="statswrites"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -754,14 +754,14 @@
     </TABLE>
     <TABLE NAME="stats_user_weekly" COMMENT="To accumulate weekly stats per course/user" PREVIOUS="stats_user_daily" NEXT="stats_user_monthly">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timeend"/>
-        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="roleid" NEXT="statsreads"/>
-        <FIELD NAME="statsreads" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeend" NEXT="statswrites"/>
-        <FIELD NAME="statswrites" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="statsreads" NEXT="stattype"/>
-        <FIELD NAME="stattype" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="statswrites"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="timeend"/>
+        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="roleid" NEXT="statsreads"/>
+        <FIELD NAME="statsreads" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeend" NEXT="statswrites"/>
+        <FIELD NAME="statswrites" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="statsreads" NEXT="stattype"/>
+        <FIELD NAME="stattype" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="statswrites"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -775,14 +775,14 @@
     </TABLE>
     <TABLE NAME="stats_user_monthly" COMMENT="To accumulate monthly stats per course/user" PREVIOUS="stats_user_weekly" NEXT="post">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timeend"/>
-        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="roleid" NEXT="statsreads"/>
-        <FIELD NAME="statsreads" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeend" NEXT="statswrites"/>
-        <FIELD NAME="statswrites" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="statsreads" NEXT="stattype"/>
-        <FIELD NAME="stattype" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="statswrites"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="timeend"/>
+        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="roleid" NEXT="statsreads"/>
+        <FIELD NAME="statsreads" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeend" NEXT="statswrites"/>
+        <FIELD NAME="statswrites" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="statsreads" NEXT="stattype"/>
+        <FIELD NAME="stattype" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="statswrites"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -796,24 +796,24 @@
     </TABLE>
     <TABLE NAME="post" COMMENT="Generic post table to hold data blog entries etc in different modules" PREVIOUS="stats_user_monthly" NEXT="role">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="module"/>
-        <FIELD NAME="module" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="module" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="moduleid"/>
-        <FIELD NAME="moduleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="coursemoduleid"/>
-        <FIELD NAME="coursemoduleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="moduleid" NEXT="subject"/>
-        <FIELD NAME="subject" TYPE="char" LENGTH="128" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="coursemoduleid" NEXT="summary"/>
-        <FIELD NAME="summary" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="subject" NEXT="content"/>
-        <FIELD NAME="content" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="summary" NEXT="uniquehash"/>
-        <FIELD NAME="uniquehash" TYPE="char" LENGTH="128" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="content" NEXT="rating"/>
-        <FIELD NAME="rating" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="uniquehash" NEXT="format"/>
-        <FIELD NAME="format" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="rating" NEXT="attachment"/>
-        <FIELD NAME="attachment" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="attachment" PREVIOUS="format" NEXT="publishstate"/>
-        <FIELD NAME="publishstate" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="draft" SEQUENCE="false" ENUM="false" PREVIOUS="attachment" NEXT="lastmodified"/>
-        <FIELD NAME="lastmodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="publishstate" NEXT="created"/>
-        <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lastmodified" NEXT="usermodified"/>
-        <FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="created"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="module"/>
+        <FIELD NAME="module" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="module" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="moduleid"/>
+        <FIELD NAME="moduleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="groupid" NEXT="coursemoduleid"/>
+        <FIELD NAME="coursemoduleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="moduleid" NEXT="subject"/>
+        <FIELD NAME="subject" TYPE="char" LENGTH="128" NOTNULL="true" SEQUENCE="false" PREVIOUS="coursemoduleid" NEXT="summary"/>
+        <FIELD NAME="summary" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" PREVIOUS="subject" NEXT="content"/>
+        <FIELD NAME="content" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" PREVIOUS="summary" NEXT="uniquehash"/>
+        <FIELD NAME="uniquehash" TYPE="char" LENGTH="128" NOTNULL="true" SEQUENCE="false" PREVIOUS="content" NEXT="rating"/>
+        <FIELD NAME="rating" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="uniquehash" NEXT="format"/>
+        <FIELD NAME="format" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="rating" NEXT="attachment"/>
+        <FIELD NAME="attachment" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" COMMENT="attachment" PREVIOUS="format" NEXT="publishstate"/>
+        <FIELD NAME="publishstate" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="draft" SEQUENCE="false" PREVIOUS="attachment" NEXT="lastmodified"/>
+        <FIELD NAME="lastmodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="publishstate" NEXT="created"/>
+        <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lastmodified" NEXT="usermodified"/>
+        <FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" PREVIOUS="created"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="usermodified"/>
@@ -828,11 +828,11 @@
     </TABLE>
     <TABLE NAME="role" COMMENT="moodle roles" PREVIOUS="post" NEXT="context">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="shortname"/>
-        <FIELD NAME="shortname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="shortname" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="description"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="shortname"/>
+        <FIELD NAME="shortname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="shortname" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="description"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -845,11 +845,11 @@
     </TABLE>
     <TABLE NAME="context" COMMENT="one of these must be set" PREVIOUS="role" NEXT="context_temp">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="contextlevel"/>
-        <FIELD NAME="contextlevel" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="instanceid"/>
-        <FIELD NAME="instanceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="contextlevel" NEXT="path"/>
-        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="instanceid" NEXT="depth"/>
-        <FIELD NAME="depth" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="path"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="contextlevel"/>
+        <FIELD NAME="contextlevel" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="instanceid"/>
+        <FIELD NAME="instanceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="contextlevel" NEXT="path"/>
+        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" PREVIOUS="instanceid" NEXT="depth"/>
+        <FIELD NAME="depth" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="path"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -862,9 +862,9 @@
     </TABLE>
     <TABLE NAME="context_temp" COMMENT="Used by build_context_path() in upgrade and cron to keep context depths and paths in sync." PREVIOUS="context" NEXT="capabilities">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="This id isn't autonumeric/sequence. It's the context-&gt;id" NEXT="path"/>
-        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="depth"/>
-        <FIELD NAME="depth" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="path"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="This id isn't autonumeric/sequence. It's the context-&gt;id" NEXT="path"/>
+        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="depth"/>
+        <FIELD NAME="depth" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="path"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -872,12 +872,12 @@
     </TABLE>
     <TABLE NAME="capabilities" COMMENT="this defines all capabilities" PREVIOUS="context_temp" NEXT="role_allow_assign">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="captype"/>
-        <FIELD NAME="captype" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="contextlevel"/>
-        <FIELD NAME="contextlevel" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="captype" NEXT="component"/>
-        <FIELD NAME="component" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="contextlevel" NEXT="riskbitmask"/>
-        <FIELD NAME="riskbitmask" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="component"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="captype"/>
+        <FIELD NAME="captype" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="contextlevel"/>
+        <FIELD NAME="contextlevel" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="captype" NEXT="component"/>
+        <FIELD NAME="component" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="contextlevel" NEXT="riskbitmask"/>
+        <FIELD NAME="riskbitmask" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="component"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="name"/>
@@ -886,9 +886,9 @@
     </TABLE>
     <TABLE NAME="role_allow_assign" COMMENT="this defines what role can assign what role" PREVIOUS="capabilities" NEXT="role_allow_override">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="allowassign"/>
-        <FIELD NAME="allowassign" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="roleid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="allowassign"/>
+        <FIELD NAME="allowassign" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="roleid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="roleid"/>
@@ -901,9 +901,9 @@
     </TABLE>
     <TABLE NAME="role_allow_override" COMMENT="this defines what role can override what role" PREVIOUS="role_allow_assign" NEXT="role_allow_switch">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="allowoverride"/>
-        <FIELD NAME="allowoverride" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="roleid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="allowoverride"/>
+        <FIELD NAME="allowoverride" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="roleid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="roleid"/>
@@ -916,9 +916,9 @@
     </TABLE>
     <TABLE NAME="role_allow_switch" COMMENT="This table stores which which other roles a user is allowed to switch to if they have one role." PREVIOUS="role_allow_override" NEXT="role_assignments">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The role the user has." PREVIOUS="id" NEXT="allowswitch"/>
-        <FIELD NAME="allowswitch" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The id of a role that the user is allowed to switch to as a result of having this role." PREVIOUS="roleid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The role the user has." PREVIOUS="id" NEXT="allowswitch"/>
+        <FIELD NAME="allowswitch" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The id of a role that the user is allowed to switch to as a result of having this role." PREVIOUS="roleid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="roleid"/>
@@ -931,17 +931,17 @@
     </TABLE>
     <TABLE NAME="role_assignments" COMMENT="assigning roles to different context" PREVIOUS="role_allow_switch" NEXT="role_capabilities">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="contextid"/>
-        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="roleid" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="contextid" NEXT="hidden"/>
-        <FIELD NAME="hidden" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timestart"/>
-        <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hidden" NEXT="timeend"/>
-        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timestart" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeend" NEXT="modifierid"/>
-        <FIELD NAME="modifierid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="enrol"/>
-        <FIELD NAME="enrol" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="modifierid" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="enrol"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="contextid"/>
+        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="roleid" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="contextid" NEXT="hidden"/>
+        <FIELD NAME="hidden" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="timestart"/>
+        <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="hidden" NEXT="timeend"/>
+        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timestart" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeend" NEXT="modifierid"/>
+        <FIELD NAME="modifierid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified" NEXT="enrol"/>
+        <FIELD NAME="enrol" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="modifierid" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="enrol"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="roleid"/>
@@ -956,13 +956,13 @@
     </TABLE>
     <TABLE NAME="role_capabilities" COMMENT="permission has to be signed, overriding a capability for a particular role in a particular context" PREVIOUS="role_assignments" NEXT="role_names">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="contextid"/>
-        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="contextid" NEXT="capability"/>
-        <FIELD NAME="capability" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="roleid" NEXT="permission"/>
-        <FIELD NAME="permission" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="capability" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="permission" NEXT="modifierid"/>
-        <FIELD NAME="modifierid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="contextid"/>
+        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="contextid" NEXT="capability"/>
+        <FIELD NAME="capability" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="roleid" NEXT="permission"/>
+        <FIELD NAME="permission" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="capability" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="permission" NEXT="modifierid"/>
+        <FIELD NAME="modifierid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="roleid"/>
@@ -977,10 +977,10 @@
     </TABLE>
     <TABLE NAME="role_names" COMMENT="role names in native strings" PREVIOUS="role_capabilities" NEXT="role_sortorder">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="contextid"/>
-        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="roleid" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="contextid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="contextid"/>
+        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="roleid" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="contextid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="roleid"/>
@@ -993,11 +993,11 @@
     </TABLE>
     <TABLE NAME="role_sortorder" COMMENT="sort order of course managers in a course" PREVIOUS="role_names" NEXT="role_context_levels">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="contextid"/>
-        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="roleid" NEXT="sortoder"/>
-        <FIELD NAME="sortoder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" ENUM="false" PREVIOUS="contextid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="userid" NEXT="contextid"/>
+        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="roleid" NEXT="sortoder"/>
+        <FIELD NAME="sortoder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" PREVIOUS="contextid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="userid"/>
@@ -1011,9 +1011,9 @@
     </TABLE>
     <TABLE NAME="role_context_levels" COMMENT="Lists which roles can be assigned at which context levels. The assignment is allowed in the corresponding row is present in this table." PREVIOUS="role_sortorder" NEXT="user_info_field">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="roleid"/>
-        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="contextlevel"/>
-        <FIELD NAME="contextlevel" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="roleid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="roleid"/>
+        <FIELD NAME="roleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="contextlevel"/>
+        <FIELD NAME="contextlevel" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="roleid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="contextlevel-roleid"/>
@@ -1023,24 +1023,24 @@
     </TABLE>
     <TABLE NAME="user_info_field" COMMENT="Customisable user profile fields" PREVIOUS="role_context_levels" NEXT="user_info_category">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="shortname"/>
-        <FIELD NAME="shortname" TYPE="char" LENGTH="255" NOTNULL="true" DEFAULT="shortname" SEQUENCE="false" ENUM="false" COMMENT="short name for each field" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="field name" PREVIOUS="shortname" NEXT="datatype"/>
-        <FIELD NAME="datatype" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Type of data held in this field" PREVIOUS="name" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Description of field" PREVIOUS="datatype" NEXT="categoryid"/>
-        <FIELD NAME="categoryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="id from category table" PREVIOUS="description" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="order within the category" PREVIOUS="categoryid" NEXT="required"/>
-        <FIELD NAME="required" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Field required" PREVIOUS="sortorder" NEXT="locked"/>
-        <FIELD NAME="locked" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Field locked" PREVIOUS="required" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Visibility: private, public, hidden" PREVIOUS="locked" NEXT="forceunique"/>
-        <FIELD NAME="forceunique" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="should the field contain unique data" PREVIOUS="visible" NEXT="signup"/>
-        <FIELD NAME="signup" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="display field on signup page" PREVIOUS="forceunique" NEXT="defaultdata"/>
-        <FIELD NAME="defaultdata" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Default value for this field" PREVIOUS="signup" NEXT="param1"/>
-        <FIELD NAME="param1" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="General parameter field" PREVIOUS="defaultdata" NEXT="param2"/>
-        <FIELD NAME="param2" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="General parameter field" PREVIOUS="param1" NEXT="param3"/>
-        <FIELD NAME="param3" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="General parameter field" PREVIOUS="param2" NEXT="param4"/>
-        <FIELD NAME="param4" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="General parameter field" PREVIOUS="param3" NEXT="param5"/>
-        <FIELD NAME="param5" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="General parameter field" PREVIOUS="param4"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="shortname"/>
+        <FIELD NAME="shortname" TYPE="char" LENGTH="255" NOTNULL="true" DEFAULT="shortname" SEQUENCE="false" COMMENT="short name for each field" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" COMMENT="field name" PREVIOUS="shortname" NEXT="datatype"/>
+        <FIELD NAME="datatype" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="Type of data held in this field" PREVIOUS="name" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="Description of field" PREVIOUS="datatype" NEXT="categoryid"/>
+        <FIELD NAME="categoryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="id from category table" PREVIOUS="description" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="order within the category" PREVIOUS="categoryid" NEXT="required"/>
+        <FIELD NAME="required" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Field required" PREVIOUS="sortorder" NEXT="locked"/>
+        <FIELD NAME="locked" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Field locked" PREVIOUS="required" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Visibility: private, public, hidden" PREVIOUS="locked" NEXT="forceunique"/>
+        <FIELD NAME="forceunique" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="should the field contain unique data" PREVIOUS="visible" NEXT="signup"/>
+        <FIELD NAME="signup" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="display field on signup page" PREVIOUS="forceunique" NEXT="defaultdata"/>
+        <FIELD NAME="defaultdata" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="Default value for this field" PREVIOUS="signup" NEXT="param1"/>
+        <FIELD NAME="param1" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="General parameter field" PREVIOUS="defaultdata" NEXT="param2"/>
+        <FIELD NAME="param2" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="General parameter field" PREVIOUS="param1" NEXT="param3"/>
+        <FIELD NAME="param3" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="General parameter field" PREVIOUS="param2" NEXT="param4"/>
+        <FIELD NAME="param4" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="General parameter field" PREVIOUS="param3" NEXT="param5"/>
+        <FIELD NAME="param5" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="General parameter field" PREVIOUS="param4"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -1048,9 +1048,9 @@
     </TABLE>
     <TABLE NAME="user_info_category" COMMENT="Customisable fields categories" PREVIOUS="user_info_field" NEXT="user_info_data">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Category name" PREVIOUS="id" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Display order" PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="Category name" PREVIOUS="id" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Display order" PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -1058,10 +1058,10 @@
     </TABLE>
     <TABLE NAME="user_info_data" COMMENT="Data for the customisable user fields" PREVIOUS="user_info_category" NEXT="question_categories">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="id from the user table" PREVIOUS="id" NEXT="fieldid"/>
-        <FIELD NAME="fieldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="id from the field table" PREVIOUS="userid" NEXT="data"/>
-        <FIELD NAME="data" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Field data" PREVIOUS="fieldid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="id from the user table" PREVIOUS="id" NEXT="fieldid"/>
+        <FIELD NAME="fieldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="id from the field table" PREVIOUS="userid" NEXT="data"/>
+        <FIELD NAME="data" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" COMMENT="Field data" PREVIOUS="fieldid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -1069,13 +1069,13 @@
     </TABLE>
     <TABLE NAME="question_categories" COMMENT="Categories are for grouping questions" PREVIOUS="user_info_data" NEXT="question">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="contextid"/>
-        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="context that this category is shared in" PREVIOUS="name" NEXT="info"/>
-        <FIELD NAME="info" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="contextid" NEXT="stamp"/>
-        <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="info" NEXT="parent"/>
-        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="stamp" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="999" SEQUENCE="false" ENUM="false" PREVIOUS="parent"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="contextid"/>
+        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="context that this category is shared in" PREVIOUS="name" NEXT="info"/>
+        <FIELD NAME="info" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="contextid" NEXT="stamp"/>
+        <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="info" NEXT="parent"/>
+        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="stamp" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="999" SEQUENCE="false" PREVIOUS="parent"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="parent"/>
@@ -1087,25 +1087,25 @@
     </TABLE>
     <TABLE NAME="question" COMMENT="The questions themselves" PREVIOUS="question_categories" NEXT="question_answers">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="category"/>
-        <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="parent"/>
-        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="category" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="parent" NEXT="questiontext"/>
-        <FIELD NAME="questiontext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="questiontextformat"/>
-        <FIELD NAME="questiontextformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questiontext" NEXT="image"/>
-        <FIELD NAME="image" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="questiontextformat" NEXT="generalfeedback"/>
-        <FIELD NAME="generalfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="to store the question feedback" PREVIOUS="image" NEXT="defaultgrade"/>
-        <FIELD NAME="defaultgrade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" DECIMALS="7" PREVIOUS="generalfeedback" NEXT="penalty"/>
-        <FIELD NAME="penalty" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0.1" SEQUENCE="false" ENUM="false" DECIMALS="7" PREVIOUS="defaultgrade" NEXT="qtype"/>
-        <FIELD NAME="qtype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="penalty" NEXT="length"/>
-        <FIELD NAME="length" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="qtype" NEXT="stamp"/>
-        <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="length" NEXT="version"/>
-        <FIELD NAME="version" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="stamp" NEXT="hidden"/>
-        <FIELD NAME="hidden" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="time question was created" PREVIOUS="hidden" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="time that question was last modified" PREVIOUS="timecreated" NEXT="createdby"/>
-        <FIELD NAME="createdby" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="userid of person who created this question" PREVIOUS="timemodified" NEXT="modifiedby"/>
-        <FIELD NAME="modifiedby" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="userid of person who last edited this question" PREVIOUS="createdby"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="category"/>
+        <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="parent"/>
+        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="category" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="parent" NEXT="questiontext"/>
+        <FIELD NAME="questiontext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="questiontextformat"/>
+        <FIELD NAME="questiontextformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="questiontext" NEXT="image"/>
+        <FIELD NAME="image" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="questiontextformat" NEXT="generalfeedback"/>
+        <FIELD NAME="generalfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" COMMENT="to store the question feedback" PREVIOUS="image" NEXT="defaultgrade"/>
+        <FIELD NAME="defaultgrade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" DECIMALS="7" PREVIOUS="generalfeedback" NEXT="penalty"/>
+        <FIELD NAME="penalty" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0.1" SEQUENCE="false" DECIMALS="7" PREVIOUS="defaultgrade" NEXT="qtype"/>
+        <FIELD NAME="qtype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="penalty" NEXT="length"/>
+        <FIELD NAME="length" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="qtype" NEXT="stamp"/>
+        <FIELD NAME="stamp" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="length" NEXT="version"/>
+        <FIELD NAME="version" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="stamp" NEXT="hidden"/>
+        <FIELD NAME="hidden" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="version" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="time question was created" PREVIOUS="hidden" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="time that question was last modified" PREVIOUS="timecreated" NEXT="createdby"/>
+        <FIELD NAME="createdby" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="userid of person who created this question" PREVIOUS="timemodified" NEXT="modifiedby"/>
+        <FIELD NAME="modifiedby" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="userid of person who last edited this question" PREVIOUS="createdby"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="category"/>
@@ -1117,11 +1117,11 @@
     </TABLE>
     <TABLE NAME="question_answers" COMMENT="Answers, with a fractional grade (0-1) and feedback" PREVIOUS="question" NEXT="question_attempts">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="answer"/>
-        <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="fraction"/>
-        <FIELD NAME="fraction" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="7" PREVIOUS="answer" NEXT="feedback"/>
-        <FIELD NAME="feedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="fraction"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="answer"/>
+        <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="question" NEXT="fraction"/>
+        <FIELD NAME="fraction" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="7" PREVIOUS="answer" NEXT="feedback"/>
+        <FIELD NAME="feedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="fraction"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
@@ -1130,8 +1130,8 @@
     </TABLE>
     <TABLE NAME="question_attempts" COMMENT="Student attempts. This table gets extended by the modules" PREVIOUS="question_answers" NEXT="question_states">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="modulename"/>
-        <FIELD NAME="modulename" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="quiz" SEQUENCE="false" ENUM="false" PREVIOUS="id"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="modulename"/>
+        <FIELD NAME="modulename" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="quiz" SEQUENCE="false" PREVIOUS="id"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -1139,16 +1139,16 @@
     </TABLE>
     <TABLE NAME="question_states" COMMENT="Stores user responses to an attempt, and percentage grades" PREVIOUS="question_attempts" NEXT="question_sessions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attempt"/>
-        <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attempt" NEXT="seq_number"/>
-        <FIELD NAME="seq_number" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="answer"/>
-        <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="seq_number" NEXT="timestamp"/>
-        <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="answer" NEXT="event"/>
-        <FIELD NAME="event" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timestamp" NEXT="grade"/>
-        <FIELD NAME="grade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="7" PREVIOUS="event" NEXT="raw_grade"/>
-        <FIELD NAME="raw_grade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="7" PREVIOUS="grade" NEXT="penalty"/>
-        <FIELD NAME="penalty" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="7" PREVIOUS="raw_grade"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="attempt"/>
+        <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="attempt" NEXT="seq_number"/>
+        <FIELD NAME="seq_number" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="question" NEXT="answer"/>
+        <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="seq_number" NEXT="timestamp"/>
+        <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="answer" NEXT="event"/>
+        <FIELD NAME="event" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timestamp" NEXT="grade"/>
+        <FIELD NAME="grade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="7" PREVIOUS="event" NEXT="raw_grade"/>
+        <FIELD NAME="raw_grade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="7" PREVIOUS="grade" NEXT="penalty"/>
+        <FIELD NAME="penalty" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="7" PREVIOUS="raw_grade"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="attempt"/>
@@ -1158,14 +1158,14 @@
     </TABLE>
     <TABLE NAME="question_sessions" COMMENT="Gives ids of the newest open and newest graded states" PREVIOUS="question_states" NEXT="mnet_enrol_course">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attemptid"/>
-        <FIELD NAME="attemptid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="questionid"/>
-        <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attemptid" NEXT="newest"/>
-        <FIELD NAME="newest" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="questionid" NEXT="newgraded"/>
-        <FIELD NAME="newgraded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="newest" NEXT="sumpenalty"/>
-        <FIELD NAME="sumpenalty" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="7" PREVIOUS="newgraded" NEXT="manualcomment"/>
-        <FIELD NAME="manualcomment" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="sumpenalty" NEXT="flagged"/>
-        <FIELD NAME="flagged" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="The person attempting the question may mark certain questions within their question_attempt if the module that owns the attempt allow it. This field stores the status of that flag." PREVIOUS="manualcomment"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="attemptid"/>
+        <FIELD NAME="attemptid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="questionid"/>
+        <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="attemptid" NEXT="newest"/>
+        <FIELD NAME="newest" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="questionid" NEXT="newgraded"/>
+        <FIELD NAME="newgraded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="newest" NEXT="sumpenalty"/>
+        <FIELD NAME="sumpenalty" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="7" PREVIOUS="newgraded" NEXT="manualcomment"/>
+        <FIELD NAME="manualcomment" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="sumpenalty" NEXT="flagged"/>
+        <FIELD NAME="flagged" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="The person attempting the question may mark certain questions within their question_attempt if the module that owns the attempt allow it. This field stores the status of that flag." PREVIOUS="manualcomment"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="attemptid"/>
@@ -1180,22 +1180,22 @@
     </TABLE>
     <TABLE NAME="mnet_enrol_course" COMMENT="Information about courses on remote hosts" PREVIOUS="question_sessions" NEXT="mnet_enrol_assignments">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="Unique remote-course ID" NEXT="hostid"/>
-        <FIELD NAME="hostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="remoteid"/>
-        <FIELD NAME="remoteid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Unique ID of course on its home server" PREVIOUS="hostid" NEXT="cat_id"/>
-        <FIELD NAME="cat_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="remoteid" NEXT="cat_name"/>
-        <FIELD NAME="cat_name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="cat_id" NEXT="cat_description"/>
-        <FIELD NAME="cat_description" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="cat_name" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="cat_description" NEXT="fullname"/>
-        <FIELD NAME="fullname" TYPE="char" LENGTH="254" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="sortorder" NEXT="shortname"/>
-        <FIELD NAME="shortname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="fullname" NEXT="idnumber"/>
-        <FIELD NAME="idnumber" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="shortname" NEXT="summary"/>
-        <FIELD NAME="summary" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="idnumber" NEXT="startdate"/>
-        <FIELD NAME="startdate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="summary" NEXT="cost"/>
-        <FIELD NAME="cost" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="startdate" NEXT="currency"/>
-        <FIELD NAME="currency" TYPE="char" LENGTH="3" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="cost" NEXT="defaultroleid"/>
-        <FIELD NAME="defaultroleid" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="currency" NEXT="defaultrolename"/>
-        <FIELD NAME="defaultrolename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="defaultroleid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" COMMENT="Unique remote-course ID" NEXT="hostid"/>
+        <FIELD NAME="hostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="remoteid"/>
+        <FIELD NAME="remoteid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Unique ID of course on its home server" PREVIOUS="hostid" NEXT="cat_id"/>
+        <FIELD NAME="cat_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="remoteid" NEXT="cat_name"/>
+        <FIELD NAME="cat_name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="cat_id" NEXT="cat_description"/>
+        <FIELD NAME="cat_description" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" PREVIOUS="cat_name" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="cat_description" NEXT="fullname"/>
+        <FIELD NAME="fullname" TYPE="char" LENGTH="254" NOTNULL="true" SEQUENCE="false" PREVIOUS="sortorder" NEXT="shortname"/>
+        <FIELD NAME="shortname" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="fullname" NEXT="idnumber"/>
+        <FIELD NAME="idnumber" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="shortname" NEXT="summary"/>
+        <FIELD NAME="summary" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" PREVIOUS="idnumber" NEXT="startdate"/>
+        <FIELD NAME="startdate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="summary" NEXT="cost"/>
+        <FIELD NAME="cost" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" PREVIOUS="startdate" NEXT="currency"/>
+        <FIELD NAME="currency" TYPE="char" LENGTH="3" NOTNULL="true" SEQUENCE="false" PREVIOUS="cost" NEXT="defaultroleid"/>
+        <FIELD NAME="defaultroleid" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="currency" NEXT="defaultrolename"/>
+        <FIELD NAME="defaultrolename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="defaultroleid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the mnet_course table"/>
@@ -1206,13 +1206,13 @@
     </TABLE>
     <TABLE NAME="mnet_enrol_assignments" COMMENT="Information about enrolments on courses on remote hosts" PREVIOUS="mnet_enrol_course" NEXT="mnet_application">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="Unique enrollment ID" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Unique ID of user on *this* server" PREVIOUS="id" NEXT="hostid"/>
-        <FIELD NAME="hostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Unique ID of course on its home server" PREVIOUS="hostid" NEXT="rolename"/>
-        <FIELD NAME="rolename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="enroltime"/>
-        <FIELD NAME="enroltime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="rolename" NEXT="enroltype"/>
-        <FIELD NAME="enroltype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="enroltime"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" COMMENT="Unique enrollment ID" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Unique ID of user on *this* server" PREVIOUS="id" NEXT="hostid"/>
+        <FIELD NAME="hostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Unique ID of course on its home server" PREVIOUS="hostid" NEXT="rolename"/>
+        <FIELD NAME="rolename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="courseid" NEXT="enroltime"/>
+        <FIELD NAME="enroltime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="rolename" NEXT="enroltype"/>
+        <FIELD NAME="enroltype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="enroltime"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the mnet_enrol_assignments table"/>
@@ -1224,12 +1224,12 @@
     </TABLE>
     <TABLE NAME="mnet_application" COMMENT="Information about applications on remote hosts" PREVIOUS="mnet_enrol_assignments" NEXT="mnet_host">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="display_name"/>
-        <FIELD NAME="display_name" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="xmlrpc_server_url"/>
-        <FIELD NAME="xmlrpc_server_url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="display_name" NEXT="sso_land_url"/>
-        <FIELD NAME="sso_land_url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="xmlrpc_server_url" NEXT="sso_jump_url"/>
-        <FIELD NAME="sso_jump_url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="sso_land_url"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="display_name"/>
+        <FIELD NAME="display_name" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="xmlrpc_server_url"/>
+        <FIELD NAME="xmlrpc_server_url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="display_name" NEXT="sso_land_url"/>
+        <FIELD NAME="sso_land_url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="xmlrpc_server_url" NEXT="sso_jump_url"/>
+        <FIELD NAME="sso_jump_url" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="sso_land_url"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -1237,20 +1237,20 @@
     </TABLE>
     <TABLE NAME="mnet_host" COMMENT="Information about the local and remote hosts for RPC" PREVIOUS="mnet_application" NEXT="mnet_host2service">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="Unique Host ID" NEXT="deleted"/>
-        <FIELD NAME="deleted" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="wwwroot"/>
-        <FIELD NAME="wwwroot" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="deleted" NEXT="ip_address"/>
-        <FIELD NAME="ip_address" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="wwwroot" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="80" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="ip_address" NEXT="public_key"/>
-        <FIELD NAME="public_key" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="public_key_expires"/>
-        <FIELD NAME="public_key_expires" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="public_key" NEXT="transport"/>
-        <FIELD NAME="transport" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="public_key_expires" NEXT="portno"/>
-        <FIELD NAME="portno" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="transport" NEXT="last_connect_time"/>
-        <FIELD NAME="last_connect_time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="portno" NEXT="last_log_id"/>
-        <FIELD NAME="last_log_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="last_connect_time" NEXT="force_theme"/>
-        <FIELD NAME="force_theme" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="last_log_id" NEXT="theme"/>
-        <FIELD NAME="theme" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="force_theme" NEXT="applicationid"/>
-        <FIELD NAME="applicationid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="theme"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" COMMENT="Unique Host ID" NEXT="deleted"/>
+        <FIELD NAME="deleted" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="wwwroot"/>
+        <FIELD NAME="wwwroot" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="deleted" NEXT="ip_address"/>
+        <FIELD NAME="ip_address" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false" PREVIOUS="wwwroot" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="80" NOTNULL="true" SEQUENCE="false" PREVIOUS="ip_address" NEXT="public_key"/>
+        <FIELD NAME="public_key" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="public_key_expires"/>
+        <FIELD NAME="public_key_expires" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="public_key" NEXT="transport"/>
+        <FIELD NAME="transport" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="public_key_expires" NEXT="portno"/>
+        <FIELD NAME="portno" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="transport" NEXT="last_connect_time"/>
+        <FIELD NAME="last_connect_time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="portno" NEXT="last_log_id"/>
+        <FIELD NAME="last_log_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="last_connect_time" NEXT="force_theme"/>
+        <FIELD NAME="force_theme" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="last_log_id" NEXT="theme"/>
+        <FIELD NAME="theme" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" PREVIOUS="force_theme" NEXT="applicationid"/>
+        <FIELD NAME="applicationid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="theme"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the mnet_host table" NEXT="applicationid"/>
@@ -1259,11 +1259,11 @@
     </TABLE>
     <TABLE NAME="mnet_host2service" COMMENT="Information about the services for a given host" PREVIOUS="mnet_host" NEXT="mnet_log">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="hostid"/>
-        <FIELD NAME="hostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="serviceid"/>
-        <FIELD NAME="serviceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hostid" NEXT="publish"/>
-        <FIELD NAME="publish" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="serviceid" NEXT="subscribe"/>
-        <FIELD NAME="subscribe" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="publish"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="hostid"/>
+        <FIELD NAME="hostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="serviceid"/>
+        <FIELD NAME="serviceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="hostid" NEXT="publish"/>
+        <FIELD NAME="publish" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="serviceid" NEXT="subscribe"/>
+        <FIELD NAME="subscribe" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="publish"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the mnet_host2service table"/>
@@ -1274,19 +1274,19 @@
     </TABLE>
     <TABLE NAME="mnet_log" COMMENT="Store session data from users migrating to other sites" PREVIOUS="mnet_host2service" NEXT="mnet_rpc">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="hostid"/>
-        <FIELD NAME="hostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Unique host ID" PREVIOUS="id" NEXT="remoteid"/>
-        <FIELD NAME="remoteid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hostid" NEXT="time"/>
-        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="remoteid" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="time" NEXT="ip"/>
-        <FIELD NAME="ip" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="ip" NEXT="coursename"/>
-        <FIELD NAME="coursename" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="module"/>
-        <FIELD NAME="module" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="coursename" NEXT="cmid"/>
-        <FIELD NAME="cmid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="module" NEXT="action"/>
-        <FIELD NAME="action" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="cmid" NEXT="url"/>
-        <FIELD NAME="url" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="action" NEXT="info"/>
-        <FIELD NAME="info" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="url"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="hostid"/>
+        <FIELD NAME="hostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Unique host ID" PREVIOUS="id" NEXT="remoteid"/>
+        <FIELD NAME="remoteid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="hostid" NEXT="time"/>
+        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="remoteid" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="time" NEXT="ip"/>
+        <FIELD NAME="ip" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="ip" NEXT="coursename"/>
+        <FIELD NAME="coursename" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="module"/>
+        <FIELD NAME="module" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="coursename" NEXT="cmid"/>
+        <FIELD NAME="cmid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="module" NEXT="action"/>
+        <FIELD NAME="action" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" PREVIOUS="cmid" NEXT="url"/>
+        <FIELD NAME="url" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="action" NEXT="info"/>
+        <FIELD NAME="info" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="url"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the mnet_log table"/>
@@ -1297,14 +1297,14 @@
     </TABLE>
     <TABLE NAME="mnet_rpc" COMMENT="Functions or methods that we may publish or subscribe to" PREVIOUS="mnet_log" NEXT="mnet_service">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="Unique Function ID" NEXT="function_name"/>
-        <FIELD NAME="function_name" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="xmlrpc_path"/>
-        <FIELD NAME="xmlrpc_path" TYPE="char" LENGTH="80" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="function_name" NEXT="parent_type"/>
-        <FIELD NAME="parent_type" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="xmlrpc_path" NEXT="parent"/>
-        <FIELD NAME="parent" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="parent_type" NEXT="enabled"/>
-        <FIELD NAME="enabled" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="parent" NEXT="help"/>
-        <FIELD NAME="help" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="enabled" NEXT="profile"/>
-        <FIELD NAME="profile" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Method signature" PREVIOUS="help"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" COMMENT="Unique Function ID" NEXT="function_name"/>
+        <FIELD NAME="function_name" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="xmlrpc_path"/>
+        <FIELD NAME="xmlrpc_path" TYPE="char" LENGTH="80" NOTNULL="true" SEQUENCE="false" PREVIOUS="function_name" NEXT="parent_type"/>
+        <FIELD NAME="parent_type" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="xmlrpc_path" NEXT="parent"/>
+        <FIELD NAME="parent" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="parent_type" NEXT="enabled"/>
+        <FIELD NAME="enabled" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="parent" NEXT="help"/>
+        <FIELD NAME="help" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" PREVIOUS="enabled" NEXT="profile"/>
+        <FIELD NAME="profile" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" COMMENT="Method signature" PREVIOUS="help"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the mnet_rpc table"/>
@@ -1315,11 +1315,11 @@
     </TABLE>
     <TABLE NAME="mnet_service" COMMENT="A service is a group of functions" PREVIOUS="mnet_rpc" NEXT="mnet_service2rpc">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="Unique Service ID" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="description"/>
-        <FIELD NAME="description" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="apiversion"/>
-        <FIELD NAME="apiversion" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="description" NEXT="offer"/>
-        <FIELD NAME="offer" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Do we even offer this service?" PREVIOUS="apiversion"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" COMMENT="Unique Service ID" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="description"/>
+        <FIELD NAME="description" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="apiversion"/>
+        <FIELD NAME="apiversion" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" PREVIOUS="description" NEXT="offer"/>
+        <FIELD NAME="offer" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Do we even offer this service?" PREVIOUS="apiversion"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the mnet_service table"/>
@@ -1327,9 +1327,9 @@
     </TABLE>
     <TABLE NAME="mnet_service2rpc" COMMENT="Group functions or methods under a service" PREVIOUS="mnet_service" NEXT="mnet_session">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="Required ID field" NEXT="serviceid"/>
-        <FIELD NAME="serviceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Unique service ID" PREVIOUS="id" NEXT="rpcid"/>
-        <FIELD NAME="rpcid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Unique Function ID" PREVIOUS="serviceid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" COMMENT="Required ID field" NEXT="serviceid"/>
+        <FIELD NAME="serviceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Unique service ID" PREVIOUS="id" NEXT="rpcid"/>
+        <FIELD NAME="rpcid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Unique Function ID" PREVIOUS="serviceid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the mnet_service2rpc table"/>
@@ -1340,15 +1340,15 @@
     </TABLE>
     <TABLE NAME="mnet_session" COMMENT="Store session data from users migrating to other sites" PREVIOUS="mnet_service2rpc" NEXT="mnet_sso_access_control">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="Required ID field" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Unique user ID" PREVIOUS="id" NEXT="username"/>
-        <FIELD NAME="username" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Unique username" PREVIOUS="userid" NEXT="token"/>
-        <FIELD NAME="token" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Unique SHA1 Token" PREVIOUS="username" NEXT="mnethostid"/>
-        <FIELD NAME="mnethostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Unique remote host ID" PREVIOUS="token" NEXT="useragent"/>
-        <FIELD NAME="useragent" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="SHA1 hash of User Agent" PREVIOUS="mnethostid" NEXT="confirm_timeout"/>
-        <FIELD NAME="confirm_timeout" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="UNIX timestamp for expiry of session" PREVIOUS="useragent" NEXT="session_id"/>
-        <FIELD NAME="session_id" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The PHP Session ID" PREVIOUS="confirm_timeout" NEXT="expires"/>
-        <FIELD NAME="expires" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Expire time of session on peer" PREVIOUS="session_id"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" COMMENT="Required ID field" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Unique user ID" PREVIOUS="id" NEXT="username"/>
+        <FIELD NAME="username" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" COMMENT="Unique username" PREVIOUS="userid" NEXT="token"/>
+        <FIELD NAME="token" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" COMMENT="Unique SHA1 Token" PREVIOUS="username" NEXT="mnethostid"/>
+        <FIELD NAME="mnethostid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Unique remote host ID" PREVIOUS="token" NEXT="useragent"/>
+        <FIELD NAME="useragent" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" COMMENT="SHA1 hash of User Agent" PREVIOUS="mnethostid" NEXT="confirm_timeout"/>
+        <FIELD NAME="confirm_timeout" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="UNIX timestamp for expiry of session" PREVIOUS="useragent" NEXT="session_id"/>
+        <FIELD NAME="session_id" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" COMMENT="The PHP Session ID" PREVIOUS="confirm_timeout" NEXT="expires"/>
+        <FIELD NAME="expires" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Expire time of session on peer" PREVIOUS="session_id"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the mnet_session table"/>
@@ -1359,10 +1359,10 @@
     </TABLE>
     <TABLE NAME="mnet_sso_access_control" COMMENT="Users by host permitted (or not) to login from a remote provider" PREVIOUS="mnet_session" NEXT="events_queue">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="Required ID field" NEXT="username"/>
-        <FIELD NAME="username" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Username" PREVIOUS="id" NEXT="mnet_host_id"/>
-        <FIELD NAME="mnet_host_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="id of mnet host" PREVIOUS="username" NEXT="accessctrl"/>
-        <FIELD NAME="accessctrl" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="allow" SEQUENCE="false" ENUM="false" COMMENT="Whether or not this user/host can login" PREVIOUS="mnet_host_id"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" COMMENT="Required ID field" NEXT="username"/>
+        <FIELD NAME="username" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" COMMENT="Username" PREVIOUS="id" NEXT="mnet_host_id"/>
+        <FIELD NAME="mnet_host_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="id of mnet host" PREVIOUS="username" NEXT="accessctrl"/>
+        <FIELD NAME="accessctrl" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="allow" SEQUENCE="false" COMMENT="Whether or not this user/host can login" PREVIOUS="mnet_host_id"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the mnet_sso_access_control table"/>
@@ -1373,11 +1373,11 @@
     </TABLE>
     <TABLE NAME="events_queue" COMMENT="This table is for storing queued events. It stores only one copy of the eventdata here, and entries from this table are being references by the event_queue_handlers table." PREVIOUS="mnet_sso_access_control" NEXT="events_handlers">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="eventdata"/>
-        <FIELD NAME="eventdata" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="serialized version of the data object passed to the event handler." PREVIOUS="id" NEXT="stackdump"/>
-        <FIELD NAME="stackdump" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="serialized debug_backtrace showing where the event was fired from" PREVIOUS="eventdata" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="$USER-&amp;gt;id when the event was fired" PREVIOUS="stackdump" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="time stamp of the first time this was added" PREVIOUS="userid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="eventdata"/>
+        <FIELD NAME="eventdata" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" COMMENT="serialized version of the data object passed to the event handler." PREVIOUS="id" NEXT="stackdump"/>
+        <FIELD NAME="stackdump" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="serialized debug_backtrace showing where the event was fired from" PREVIOUS="eventdata" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="$USER-&amp;gt;id when the event was fired" PREVIOUS="stackdump" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="time stamp of the first time this was added" PREVIOUS="userid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="userid"/>
@@ -1386,13 +1386,13 @@
     </TABLE>
     <TABLE NAME="events_handlers" COMMENT="This table is for storing which components requests what type of event, and the location of the responsible handlers. For example, the assignment registers 'grade_updated' event with a function assignment_grade_handler() that should be called event time an 'grade_updated' event is triggered by grade_update() function." PREVIOUS="events_queue" NEXT="events_queue_handlers">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="eventname"/>
-        <FIELD NAME="eventname" TYPE="char" LENGTH="166" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="name of the event, e.g. 'grade_updated'" PREVIOUS="id" NEXT="handlermodule"/>
-        <FIELD NAME="handlermodule" TYPE="char" LENGTH="166" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="e.g. moodle, mod/forum, block/rss_client" PREVIOUS="eventname" NEXT="handlerfile"/>
-        <FIELD NAME="handlerfile" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="path to the file of the function, eg /grade/export/lib.php" PREVIOUS="handlermodule" NEXT="handlerfunction"/>
-        <FIELD NAME="handlerfunction" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="serialized string or array describing function, suitable to be passed to call_user_func()" PREVIOUS="handlerfile" NEXT="schedule"/>
-        <FIELD NAME="schedule" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="'cron' or 'instant'." PREVIOUS="handlerfunction" NEXT="status"/>
-        <FIELD NAME="status" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="number of failed attempts to process this handler" PREVIOUS="schedule"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="eventname"/>
+        <FIELD NAME="eventname" TYPE="char" LENGTH="166" NOTNULL="true" SEQUENCE="false" COMMENT="name of the event, e.g. 'grade_updated'" PREVIOUS="id" NEXT="handlermodule"/>
+        <FIELD NAME="handlermodule" TYPE="char" LENGTH="166" NOTNULL="true" SEQUENCE="false" COMMENT="e.g. moodle, mod/forum, block/rss_client" PREVIOUS="eventname" NEXT="handlerfile"/>
+        <FIELD NAME="handlerfile" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="path to the file of the function, eg /grade/export/lib.php" PREVIOUS="handlermodule" NEXT="handlerfunction"/>
+        <FIELD NAME="handlerfunction" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="serialized string or array describing function, suitable to be passed to call_user_func()" PREVIOUS="handlerfile" NEXT="schedule"/>
+        <FIELD NAME="schedule" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="'cron' or 'instant'." PREVIOUS="handlerfunction" NEXT="status"/>
+        <FIELD NAME="status" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="number of failed attempts to process this handler" PREVIOUS="schedule"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -1403,12 +1403,12 @@
     </TABLE>
     <TABLE NAME="events_queue_handlers" COMMENT="This is the list of queued handlers for processing. The event object is retrieved from the events_queue table. When no further reference is made to the event_queues table, the corresponding entry in the events_queue table should be deleted. Entry should get deleted after a successful event processing by the specified handler." PREVIOUS="events_handlers" NEXT="grade_outcomes">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="queuedeventid"/>
-        <FIELD NAME="queuedeventid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="foreign key id corresponding to the id of the event_queues table" PREVIOUS="id" NEXT="handlerid"/>
-        <FIELD NAME="handlerid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="foreign key id corresponding to the id of the event_handlers table" PREVIOUS="queuedeventid" NEXT="status"/>
-        <FIELD NAME="status" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" COMMENT="number of failed attempts to process this handler" PREVIOUS="handlerid" NEXT="errormessage"/>
-        <FIELD NAME="errormessage" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="if an error happened last time we tried to process this event, record it here." PREVIOUS="status" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="time stamp of the last attempt to run this from the queue" PREVIOUS="errormessage"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="queuedeventid"/>
+        <FIELD NAME="queuedeventid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="foreign key id corresponding to the id of the event_queues table" PREVIOUS="id" NEXT="handlerid"/>
+        <FIELD NAME="handlerid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="foreign key id corresponding to the id of the event_handlers table" PREVIOUS="queuedeventid" NEXT="status"/>
+        <FIELD NAME="status" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" COMMENT="number of failed attempts to process this handler" PREVIOUS="handlerid" NEXT="errormessage"/>
+        <FIELD NAME="errormessage" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="if an error happened last time we tried to process this event, record it here." PREVIOUS="status" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="time stamp of the last attempt to run this from the queue" PREVIOUS="errormessage"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="queuedeventid"/>
@@ -1418,15 +1418,15 @@
     </TABLE>
     <TABLE NAME="grade_outcomes" COMMENT="This table describes the outcomes used in the system. An outcome is a statement tied to a rubric scale from low to high, such as “Not met, Borderline, Met” (stored as 0,1 or 2)" PREVIOUS="events_queue_handlers" NEXT="grade_outcomes_courses">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" COMMENT="id of the table" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Mostly these are defined site wide ie NULL" PREVIOUS="id" NEXT="shortname"/>
-        <FIELD NAME="shortname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The short name or code for this outcome statement" PREVIOUS="courseid" NEXT="fullname"/>
-        <FIELD NAME="fullname" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The full description of the outcome (usually 1 sentence)" PREVIOUS="shortname" NEXT="scaleid"/>
-        <FIELD NAME="scaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The recommended scale for this outcome." PREVIOUS="fullname" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="outcome description" PREVIOUS="scaleid" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the time this outcome was first created" PREVIOUS="description" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the time this outcome was last updated" PREVIOUS="timecreated" NEXT="usermodified"/>
-        <FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" COMMENT="id of the table" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Mostly these are defined site wide ie NULL" PREVIOUS="id" NEXT="shortname"/>
+        <FIELD NAME="shortname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="The short name or code for this outcome statement" PREVIOUS="courseid" NEXT="fullname"/>
+        <FIELD NAME="fullname" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" COMMENT="The full description of the outcome (usually 1 sentence)" PREVIOUS="shortname" NEXT="scaleid"/>
+        <FIELD NAME="scaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The recommended scale for this outcome." PREVIOUS="fullname" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" COMMENT="outcome description" PREVIOUS="scaleid" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the time this outcome was first created" PREVIOUS="description" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the time this outcome was last updated" PREVIOUS="timecreated" NEXT="usermodified"/>
+        <FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="courseid"/>
@@ -1438,9 +1438,9 @@
     </TABLE>
     <TABLE NAME="grade_outcomes_courses" COMMENT="stores what outcomes are used in what courses." PREVIOUS="grade_outcomes" NEXT="grade_categories">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="id of the course" PREVIOUS="id" NEXT="outcomeid"/>
-        <FIELD NAME="outcomeid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="id of the outcome" PREVIOUS="courseid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="id of the course" PREVIOUS="id" NEXT="outcomeid"/>
+        <FIELD NAME="outcomeid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="id of the outcome" PREVIOUS="courseid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="courseid"/>
@@ -1451,20 +1451,20 @@
     </TABLE>
     <TABLE NAME="grade_categories" COMMENT="This table keeps information about categories, used for grouping items." PREVIOUS="grade_outcomes_courses" NEXT="grade_items">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The course this grade category is part of" PREVIOUS="id" NEXT="parent"/>
-        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Categories can be hierarchical" PREVIOUS="courseid" NEXT="depth"/>
-        <FIELD NAME="depth" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="How many parents does this category have?" PREVIOUS="parent" NEXT="path"/>
-        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="shows the path as /1/2/3 (like course_categories)" PREVIOUS="depth" NEXT="fullname"/>
-        <FIELD NAME="fullname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The name of this grade category" PREVIOUS="path" NEXT="aggregation"/>
-        <FIELD NAME="aggregation" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="A constant pointing to one of the predefined aggregation strategies (none, mean,median,sum, etc)" PREVIOUS="fullname" NEXT="keephigh"/>
-        <FIELD NAME="keephigh" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Keep only the X highest items" PREVIOUS="aggregation" NEXT="droplow"/>
-        <FIELD NAME="droplow" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Drop the X lowest items" PREVIOUS="keephigh" NEXT="aggregateonlygraded"/>
-        <FIELD NAME="aggregateonlygraded" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="aggregate only graded activities" PREVIOUS="droplow" NEXT="aggregateoutcomes"/>
-        <FIELD NAME="aggregateoutcomes" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Aggregate outcomes" PREVIOUS="aggregateonlygraded" NEXT="aggregatesubcats"/>
-        <FIELD NAME="aggregatesubcats" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="ignore subcategories in aggregation" PREVIOUS="aggregateoutcomes" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="aggregatesubcats" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The course this grade category is part of" PREVIOUS="id" NEXT="parent"/>
+        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Categories can be hierarchical" PREVIOUS="courseid" NEXT="depth"/>
+        <FIELD NAME="depth" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="How many parents does this category have?" PREVIOUS="parent" NEXT="path"/>
+        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="shows the path as /1/2/3 (like course_categories)" PREVIOUS="depth" NEXT="fullname"/>
+        <FIELD NAME="fullname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="The name of this grade category" PREVIOUS="path" NEXT="aggregation"/>
+        <FIELD NAME="aggregation" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="A constant pointing to one of the predefined aggregation strategies (none, mean,median,sum, etc)" PREVIOUS="fullname" NEXT="keephigh"/>
+        <FIELD NAME="keephigh" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Keep only the X highest items" PREVIOUS="aggregation" NEXT="droplow"/>
+        <FIELD NAME="droplow" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Drop the X lowest items" PREVIOUS="keephigh" NEXT="aggregateonlygraded"/>
+        <FIELD NAME="aggregateonlygraded" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="aggregate only graded activities" PREVIOUS="droplow" NEXT="aggregateoutcomes"/>
+        <FIELD NAME="aggregateoutcomes" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Aggregate outcomes" PREVIOUS="aggregateonlygraded" NEXT="aggregatesubcats"/>
+        <FIELD NAME="aggregatesubcats" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="ignore subcategories in aggregation" PREVIOUS="aggregateoutcomes" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="aggregatesubcats" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="timecreated"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="courseid"/>
@@ -1474,35 +1474,35 @@
     </TABLE>
     <TABLE NAME="grade_items" COMMENT="This table keeps information about gradeable items (ie columns). If an activity (eg an assignment or quiz) has multiple grade_items associated with it (eg several outcomes or numerical grades), then there will be a corresponding multiple number of rows in this table." PREVIOUS="grade_categories" NEXT="grade_grades">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The course this item is part of" PREVIOUS="id" NEXT="categoryid"/>
-        <FIELD NAME="categoryid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="(optional) the category group this item belongs to" PREVIOUS="courseid" NEXT="itemname"/>
-        <FIELD NAME="itemname" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="The name of this item (pushed in by the module)" PREVIOUS="categoryid" NEXT="itemtype"/>
-        <FIELD NAME="itemtype" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="'mod', 'blocks', 'import', 'calculated' etc" PREVIOUS="itemname" NEXT="itemmodule"/>
-        <FIELD NAME="itemmodule" TYPE="char" LENGTH="30" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="'forum', 'quiz', 'csv', etc" PREVIOUS="itemtype" NEXT="iteminstance"/>
-        <FIELD NAME="iteminstance" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="id of the item module" PREVIOUS="itemmodule" NEXT="itemnumber"/>
-        <FIELD NAME="itemnumber" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Can be used to distinguish multiple grades for an activity" PREVIOUS="iteminstance" NEXT="iteminfo"/>
-        <FIELD NAME="iteminfo" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Info and notes about this item XXX" PREVIOUS="itemnumber" NEXT="idnumber"/>
-        <FIELD NAME="idnumber" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Arbitrary idnumber provided by the module responsible" PREVIOUS="iteminfo" NEXT="calculation"/>
-        <FIELD NAME="calculation" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Formula describing how to derive this grade from other items, referring to them using giXXX where XXX is grade item id ... eg something like: =sin(square([#gi20#])) + [#gi30#]" PREVIOUS="idnumber" NEXT="gradetype"/>
-        <FIELD NAME="gradetype" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" COMMENT="0 = none, 1 = value, 2 = scale, 3 = text" PREVIOUS="calculation" NEXT="grademax"/>
-        <FIELD NAME="grademax" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="100" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="What is the maximum allowable grade?" PREVIOUS="gradetype" NEXT="grademin"/>
-        <FIELD NAME="grademin" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="What is the minimum allowable grade?" PREVIOUS="grademax" NEXT="scaleid"/>
-        <FIELD NAME="scaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this grade is based on a scale, which one is it?" PREVIOUS="grademin" NEXT="outcomeid"/>
-        <FIELD NAME="outcomeid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this grade is related to an outcome, which one is it?" PREVIOUS="scaleid" NEXT="gradepass"/>
-        <FIELD NAME="gradepass" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="What grade is needed to pass? grademin &amp;lt; gradepass &amp;lt;= grademax" PREVIOUS="outcomeid" NEXT="multfactor"/>
-        <FIELD NAME="multfactor" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="1.0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="Multiply all grades by this" PREVIOUS="gradepass" NEXT="plusfactor"/>
-        <FIELD NAME="plusfactor" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="Add this to all grades" PREVIOUS="multfactor" NEXT="aggregationcoef"/>
-        <FIELD NAME="aggregationcoef" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="Aggregation coefficient used for category weights or other aggregation types" PREVIOUS="plusfactor" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Sorting order of the columns" PREVIOUS="aggregationcoef" NEXT="display"/>
-        <FIELD NAME="display" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Display as real grades, percentages (in reference to the minimum and maximum grades) or letters (A, B, C etc..), or course default (0)" PREVIOUS="sortorder" NEXT="decimals"/>
-        <FIELD NAME="decimals" TYPE="int" LENGTH="1" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Also known as precision, the number of digits after the decimal point symbol." PREVIOUS="display" NEXT="hidden"/>
-        <FIELD NAME="hidden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="1 is hidden, &amp;gt; 1 is a date to hide until (prevents viewing)" PREVIOUS="decimals" NEXT="locked"/>
-        <FIELD NAME="locked" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="1 is locked, &amp;gt; 1 is a date to lock until (prevents update)" PREVIOUS="hidden" NEXT="locktime"/>
-        <FIELD NAME="locktime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="lock all final grades after this date" PREVIOUS="locked" NEXT="needsupdate"/>
-        <FIELD NAME="needsupdate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="If this flag is set, then the whole column will be recalculated" PREVIOUS="locktime" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The first time this grade_item was created" PREVIOUS="needsupdate" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The last time this grade_item was modified" PREVIOUS="timecreated"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The course this item is part of" PREVIOUS="id" NEXT="categoryid"/>
+        <FIELD NAME="categoryid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="(optional) the category group this item belongs to" PREVIOUS="courseid" NEXT="itemname"/>
+        <FIELD NAME="itemname" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="The name of this item (pushed in by the module)" PREVIOUS="categoryid" NEXT="itemtype"/>
+        <FIELD NAME="itemtype" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" COMMENT="'mod', 'blocks', 'import', 'calculated' etc" PREVIOUS="itemname" NEXT="itemmodule"/>
+        <FIELD NAME="itemmodule" TYPE="char" LENGTH="30" NOTNULL="false" SEQUENCE="false" COMMENT="'forum', 'quiz', 'csv', etc" PREVIOUS="itemtype" NEXT="iteminstance"/>
+        <FIELD NAME="iteminstance" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="id of the item module" PREVIOUS="itemmodule" NEXT="itemnumber"/>
+        <FIELD NAME="itemnumber" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Can be used to distinguish multiple grades for an activity" PREVIOUS="iteminstance" NEXT="iteminfo"/>
+        <FIELD NAME="iteminfo" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="Info and notes about this item XXX" PREVIOUS="itemnumber" NEXT="idnumber"/>
+        <FIELD NAME="idnumber" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Arbitrary idnumber provided by the module responsible" PREVIOUS="iteminfo" NEXT="calculation"/>
+        <FIELD NAME="calculation" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="Formula describing how to derive this grade from other items, referring to them using giXXX where XXX is grade item id ... eg something like: =sin(square([#gi20#])) + [#gi30#]" PREVIOUS="idnumber" NEXT="gradetype"/>
+        <FIELD NAME="gradetype" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" COMMENT="0 = none, 1 = value, 2 = scale, 3 = text" PREVIOUS="calculation" NEXT="grademax"/>
+        <FIELD NAME="grademax" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="100" SEQUENCE="false" DECIMALS="5" COMMENT="What is the maximum allowable grade?" PREVIOUS="gradetype" NEXT="grademin"/>
+        <FIELD NAME="grademin" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="What is the minimum allowable grade?" PREVIOUS="grademax" NEXT="scaleid"/>
+        <FIELD NAME="scaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="If this grade is based on a scale, which one is it?" PREVIOUS="grademin" NEXT="outcomeid"/>
+        <FIELD NAME="outcomeid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="If this grade is related to an outcome, which one is it?" PREVIOUS="scaleid" NEXT="gradepass"/>
+        <FIELD NAME="gradepass" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="What grade is needed to pass? grademin &amp;lt; gradepass &amp;lt;= grademax" PREVIOUS="outcomeid" NEXT="multfactor"/>
+        <FIELD NAME="multfactor" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="1.0" SEQUENCE="false" DECIMALS="5" COMMENT="Multiply all grades by this" PREVIOUS="gradepass" NEXT="plusfactor"/>
+        <FIELD NAME="plusfactor" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="Add this to all grades" PREVIOUS="multfactor" NEXT="aggregationcoef"/>
+        <FIELD NAME="aggregationcoef" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="Aggregation coefficient used for category weights or other aggregation types" PREVIOUS="plusfactor" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Sorting order of the columns" PREVIOUS="aggregationcoef" NEXT="display"/>
+        <FIELD NAME="display" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Display as real grades, percentages (in reference to the minimum and maximum grades) or letters (A, B, C etc..), or course default (0)" PREVIOUS="sortorder" NEXT="decimals"/>
+        <FIELD NAME="decimals" TYPE="int" LENGTH="1" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Also known as precision, the number of digits after the decimal point symbol." PREVIOUS="display" NEXT="hidden"/>
+        <FIELD NAME="hidden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="1 is hidden, &amp;gt; 1 is a date to hide until (prevents viewing)" PREVIOUS="decimals" NEXT="locked"/>
+        <FIELD NAME="locked" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="1 is locked, &amp;gt; 1 is a date to lock until (prevents update)" PREVIOUS="hidden" NEXT="locktime"/>
+        <FIELD NAME="locktime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="lock all final grades after this date" PREVIOUS="locked" NEXT="needsupdate"/>
+        <FIELD NAME="needsupdate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="If this flag is set, then the whole column will be recalculated" PREVIOUS="locktime" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The first time this grade_item was created" PREVIOUS="needsupdate" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The last time this grade_item was modified" PREVIOUS="timecreated"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="courseid"/>
@@ -1520,27 +1520,27 @@
     </TABLE>
     <TABLE NAME="grade_grades" COMMENT="grade_grades  This table keeps individual grades for each user and each item, exactly as imported or submitted by modules. The rawgrademax/min and rawscaleid are stored here to record the values at the time the grade was stored, because teachers might change this for an activity! All the results are normalised/resampled for the final grade value." PREVIOUS="grade_items" NEXT="grade_outcomes_history">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="itemid"/>
-        <FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The item this grade belongs to" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The user who this grade is for" PREVIOUS="itemid" NEXT="rawgrade"/>
-        <FIELD NAME="rawgrade" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="If the grade is a float value (or has been converted to one)" PREVIOUS="userid" NEXT="rawgrademax"/>
-        <FIELD NAME="rawgrademax" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="100" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="The maximum allowable grade when this was created" PREVIOUS="rawgrade" NEXT="rawgrademin"/>
-        <FIELD NAME="rawgrademin" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="The minimum allowable grade when this was created" PREVIOUS="rawgrademax" NEXT="rawscaleid"/>
-        <FIELD NAME="rawscaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this grade is based on a scale, which one was it?" PREVIOUS="rawgrademin" NEXT="usermodified"/>
-        <FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the userid of the person who last modified this grade" PREVIOUS="rawscaleid" NEXT="finalgrade"/>
-        <FIELD NAME="finalgrade" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="The final grade (cached) after all calculations are made" PREVIOUS="usermodified" NEXT="hidden"/>
-        <FIELD NAME="hidden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="show 0, hide 1 or hide until date" PREVIOUS="finalgrade" NEXT="locked"/>
-        <FIELD NAME="locked" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="not locked 0, locked from date" PREVIOUS="hidden" NEXT="locktime"/>
-        <FIELD NAME="locktime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="automatic locking of final grade, 0 means none, date otherwise" PREVIOUS="locked" NEXT="exported"/>
-        <FIELD NAME="exported" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="date of last grade export, 0 if none" PREVIOUS="locktime" NEXT="overridden"/>
-        <FIELD NAME="overridden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="indicates grade overridden from gradebook, 0 means none, date means overridden" PREVIOUS="exported" NEXT="excluded"/>
-        <FIELD NAME="excluded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="grade excluded from aggregation functions, date means when excluded" PREVIOUS="overridden" NEXT="feedback"/>
-        <FIELD NAME="feedback" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="grading feedback" PREVIOUS="excluded" NEXT="feedbackformat"/>
-        <FIELD NAME="feedbackformat" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="format of feedback text" PREVIOUS="feedback" NEXT="information"/>
-        <FIELD NAME="information" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="optiona information" PREVIOUS="feedbackformat" NEXT="informationformat"/>
-        <FIELD NAME="informationformat" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="format of information text" PREVIOUS="information" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the time this grade was first created" PREVIOUS="informationformat" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the time this grade was last modified" PREVIOUS="timecreated"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="itemid"/>
+        <FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The item this grade belongs to" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The user who this grade is for" PREVIOUS="itemid" NEXT="rawgrade"/>
+        <FIELD NAME="rawgrade" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="5" COMMENT="If the grade is a float value (or has been converted to one)" PREVIOUS="userid" NEXT="rawgrademax"/>
+        <FIELD NAME="rawgrademax" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="100" SEQUENCE="false" DECIMALS="5" COMMENT="The maximum allowable grade when this was created" PREVIOUS="rawgrade" NEXT="rawgrademin"/>
+        <FIELD NAME="rawgrademin" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="The minimum allowable grade when this was created" PREVIOUS="rawgrademax" NEXT="rawscaleid"/>
+        <FIELD NAME="rawscaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="If this grade is based on a scale, which one was it?" PREVIOUS="rawgrademin" NEXT="usermodified"/>
+        <FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the userid of the person who last modified this grade" PREVIOUS="rawscaleid" NEXT="finalgrade"/>
+        <FIELD NAME="finalgrade" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="5" COMMENT="The final grade (cached) after all calculations are made" PREVIOUS="usermodified" NEXT="hidden"/>
+        <FIELD NAME="hidden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="show 0, hide 1 or hide until date" PREVIOUS="finalgrade" NEXT="locked"/>
+        <FIELD NAME="locked" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="not locked 0, locked from date" PREVIOUS="hidden" NEXT="locktime"/>
+        <FIELD NAME="locktime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="automatic locking of final grade, 0 means none, date otherwise" PREVIOUS="locked" NEXT="exported"/>
+        <FIELD NAME="exported" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="date of last grade export, 0 if none" PREVIOUS="locktime" NEXT="overridden"/>
+        <FIELD NAME="overridden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="indicates grade overridden from gradebook, 0 means none, date means overridden" PREVIOUS="exported" NEXT="excluded"/>
+        <FIELD NAME="excluded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="grade excluded from aggregation functions, date means when excluded" PREVIOUS="overridden" NEXT="feedback"/>
+        <FIELD NAME="feedback" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="grading feedback" PREVIOUS="excluded" NEXT="feedbackformat"/>
+        <FIELD NAME="feedbackformat" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="format of feedback text" PREVIOUS="feedback" NEXT="information"/>
+        <FIELD NAME="information" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="optiona information" PREVIOUS="feedbackformat" NEXT="informationformat"/>
+        <FIELD NAME="informationformat" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="format of information text" PREVIOUS="information" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the time this grade was first created" PREVIOUS="informationformat" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the time this grade was last modified" PREVIOUS="timecreated"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="itemid"/>
@@ -1556,17 +1556,17 @@
     </TABLE>
     <TABLE NAME="grade_outcomes_history" COMMENT="History table" PREVIOUS="grade_grades" NEXT="grade_categories_history">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="action"/>
-        <FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="created/modified/deleted constants" PREVIOUS="id" NEXT="oldid"/>
-        <FIELD NAME="oldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="action" NEXT="source"/>
-        <FIELD NAME="source" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="What caused the modification? manual/module/import/..." PREVIOUS="oldid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The last time this grade_item was modified" PREVIOUS="source" NEXT="loggeduser"/>
-        <FIELD NAME="loggeduser" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Mostly these are defined site wide ie NULL" PREVIOUS="loggeduser" NEXT="shortname"/>
-        <FIELD NAME="shortname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The short name or code for this outcome statement" PREVIOUS="courseid" NEXT="fullname"/>
-        <FIELD NAME="fullname" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The full description of the outcome (usually 1 sentence)" PREVIOUS="shortname" NEXT="scaleid"/>
-        <FIELD NAME="scaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The recommended scale for this outcome." PREVIOUS="fullname" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Outcome description" PREVIOUS="scaleid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="action"/>
+        <FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="created/modified/deleted constants" PREVIOUS="id" NEXT="oldid"/>
+        <FIELD NAME="oldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="action" NEXT="source"/>
+        <FIELD NAME="source" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="What caused the modification? manual/module/import/..." PREVIOUS="oldid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The last time this grade_item was modified" PREVIOUS="source" NEXT="loggeduser"/>
+        <FIELD NAME="loggeduser" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Mostly these are defined site wide ie NULL" PREVIOUS="loggeduser" NEXT="shortname"/>
+        <FIELD NAME="shortname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="The short name or code for this outcome statement" PREVIOUS="courseid" NEXT="fullname"/>
+        <FIELD NAME="fullname" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" COMMENT="The full description of the outcome (usually 1 sentence)" PREVIOUS="shortname" NEXT="scaleid"/>
+        <FIELD NAME="scaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The recommended scale for this outcome." PREVIOUS="fullname" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" COMMENT="Outcome description" PREVIOUS="scaleid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="oldid"/>
@@ -1581,23 +1581,23 @@
     </TABLE>
     <TABLE NAME="grade_categories_history" COMMENT="History of grade_categories" PREVIOUS="grade_outcomes_history" NEXT="grade_items_history">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="action"/>
-        <FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="created/modified/deleted constants" PREVIOUS="id" NEXT="oldid"/>
-        <FIELD NAME="oldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="action" NEXT="source"/>
-        <FIELD NAME="source" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="What caused the modification? manual/module/import/..." PREVIOUS="oldid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The last time this grade_item was modified" PREVIOUS="source" NEXT="loggeduser"/>
-        <FIELD NAME="loggeduser" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The course this grade category is part of" PREVIOUS="loggeduser" NEXT="parent"/>
-        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Categories can be hierarchical" PREVIOUS="courseid" NEXT="depth"/>
-        <FIELD NAME="depth" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="How many parents does this category have?" PREVIOUS="parent" NEXT="path"/>
-        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="shows the path as /1/2/3 (like course_categories)" PREVIOUS="depth" NEXT="fullname"/>
-        <FIELD NAME="fullname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The name of this grade category" PREVIOUS="path" NEXT="aggregation"/>
-        <FIELD NAME="aggregation" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="A constant pointing to one of the predefined aggregation strategies (none, mean,median,sum, etc)" PREVIOUS="fullname" NEXT="keephigh"/>
-        <FIELD NAME="keephigh" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Keep only the X highest items" PREVIOUS="aggregation" NEXT="droplow"/>
-        <FIELD NAME="droplow" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Drop the X lowest items" PREVIOUS="keephigh" NEXT="aggregateonlygraded"/>
-        <FIELD NAME="aggregateonlygraded" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="aggregate only graded items" PREVIOUS="droplow" NEXT="aggregateoutcomes"/>
-        <FIELD NAME="aggregateoutcomes" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Aggregate outcomes" PREVIOUS="aggregateonlygraded" NEXT="aggregatesubcats"/>
-        <FIELD NAME="aggregatesubcats" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="ignore subcategories in aggregation" PREVIOUS="aggregateoutcomes"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="action"/>
+        <FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="created/modified/deleted constants" PREVIOUS="id" NEXT="oldid"/>
+        <FIELD NAME="oldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="action" NEXT="source"/>
+        <FIELD NAME="source" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="What caused the modification? manual/module/import/..." PREVIOUS="oldid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The last time this grade_item was modified" PREVIOUS="source" NEXT="loggeduser"/>
+        <FIELD NAME="loggeduser" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The course this grade category is part of" PREVIOUS="loggeduser" NEXT="parent"/>
+        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Categories can be hierarchical" PREVIOUS="courseid" NEXT="depth"/>
+        <FIELD NAME="depth" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="How many parents does this category have?" PREVIOUS="parent" NEXT="path"/>
+        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="shows the path as /1/2/3 (like course_categories)" PREVIOUS="depth" NEXT="fullname"/>
+        <FIELD NAME="fullname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="The name of this grade category" PREVIOUS="path" NEXT="aggregation"/>
+        <FIELD NAME="aggregation" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="A constant pointing to one of the predefined aggregation strategies (none, mean,median,sum, etc)" PREVIOUS="fullname" NEXT="keephigh"/>
+        <FIELD NAME="keephigh" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Keep only the X highest items" PREVIOUS="aggregation" NEXT="droplow"/>
+        <FIELD NAME="droplow" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Drop the X lowest items" PREVIOUS="keephigh" NEXT="aggregateonlygraded"/>
+        <FIELD NAME="aggregateonlygraded" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="aggregate only graded items" PREVIOUS="droplow" NEXT="aggregateoutcomes"/>
+        <FIELD NAME="aggregateoutcomes" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Aggregate outcomes" PREVIOUS="aggregateonlygraded" NEXT="aggregatesubcats"/>
+        <FIELD NAME="aggregatesubcats" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="ignore subcategories in aggregation" PREVIOUS="aggregateoutcomes"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="oldid"/>
@@ -1612,36 +1612,36 @@
     </TABLE>
     <TABLE NAME="grade_items_history" COMMENT="History of grade_items" PREVIOUS="grade_categories_history" NEXT="grade_grades_history">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="action"/>
-        <FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="created/modified/deleted constants" PREVIOUS="id" NEXT="oldid"/>
-        <FIELD NAME="oldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="action" NEXT="source"/>
-        <FIELD NAME="source" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="What caused the modification? manual/module/import/..." PREVIOUS="oldid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The last time this grade_item was modified" PREVIOUS="source" NEXT="loggeduser"/>
-        <FIELD NAME="loggeduser" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The course this item is part of" PREVIOUS="loggeduser" NEXT="categoryid"/>
-        <FIELD NAME="categoryid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="(optional) the category group this item belongs to" PREVIOUS="courseid" NEXT="itemname"/>
-        <FIELD NAME="itemname" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="The name of this item (pushed in by the module)" PREVIOUS="categoryid" NEXT="itemtype"/>
-        <FIELD NAME="itemtype" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="'mod', 'blocks', 'import', 'calculated' etc" PREVIOUS="itemname" NEXT="itemmodule"/>
-        <FIELD NAME="itemmodule" TYPE="char" LENGTH="30" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="'forum', 'quiz', 'csv', etc" PREVIOUS="itemtype" NEXT="iteminstance"/>
-        <FIELD NAME="iteminstance" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="id of the item module" PREVIOUS="itemmodule" NEXT="itemnumber"/>
-        <FIELD NAME="itemnumber" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Can be used to distinguish multiple grades for an activity" PREVIOUS="iteminstance" NEXT="iteminfo"/>
-        <FIELD NAME="iteminfo" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Info and notes about this item XXX" PREVIOUS="itemnumber" NEXT="idnumber"/>
-        <FIELD NAME="idnumber" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Arbitrary idnumber provided by the module responsible" PREVIOUS="iteminfo" NEXT="calculation"/>
-        <FIELD NAME="calculation" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Formula describing how to derive this grade from other items, referring to them using giXXX where XXX is grade item id ... eg something like: =sin(square([#gi20#])) + [#gi30#]" PREVIOUS="idnumber" NEXT="gradetype"/>
-        <FIELD NAME="gradetype" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" COMMENT="0 = none, 1 = value, 2 = scale, 3 = text" PREVIOUS="calculation" NEXT="grademax"/>
-        <FIELD NAME="grademax" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="100" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="What is the maximum allowable grade?" PREVIOUS="gradetype" NEXT="grademin"/>
-        <FIELD NAME="grademin" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="What is the minimum allowable grade?" PREVIOUS="grademax" NEXT="scaleid"/>
-        <FIELD NAME="scaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this grade is based on a scale, which one is it?" PREVIOUS="grademin" NEXT="outcomeid"/>
-        <FIELD NAME="outcomeid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this grade is related to an outcome, which one is it?" PREVIOUS="scaleid" NEXT="gradepass"/>
-        <FIELD NAME="gradepass" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="What grade is needed to pass? grademin &amp;lt; gradepass &amp;lt;= grademax" PREVIOUS="outcomeid" NEXT="multfactor"/>
-        <FIELD NAME="multfactor" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="1.0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="Multiply all grades by this" PREVIOUS="gradepass" NEXT="plusfactor"/>
-        <FIELD NAME="plusfactor" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="Add this to all grades" PREVIOUS="multfactor" NEXT="aggregationcoef"/>
-        <FIELD NAME="aggregationcoef" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="Aggregation coefficient used for category weights or other aggregation types" PREVIOUS="plusfactor" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Sorting order of the columns" PREVIOUS="aggregationcoef" NEXT="hidden"/>
-        <FIELD NAME="hidden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="1 is hidden, &amp;gt; 1 is a date to hide until (prevents viewing)" PREVIOUS="sortorder" NEXT="locked"/>
-        <FIELD NAME="locked" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="1 is locked, &amp;gt; 1 is a date to lock until (prevents update)" PREVIOUS="hidden" NEXT="locktime"/>
-        <FIELD NAME="locktime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="lock all final grades after this date" PREVIOUS="locked" NEXT="needsupdate"/>
-        <FIELD NAME="needsupdate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="If this flag is set, then the whole column will be recalculated" PREVIOUS="locktime"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="action"/>
+        <FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="created/modified/deleted constants" PREVIOUS="id" NEXT="oldid"/>
+        <FIELD NAME="oldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="action" NEXT="source"/>
+        <FIELD NAME="source" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="What caused the modification? manual/module/import/..." PREVIOUS="oldid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The last time this grade_item was modified" PREVIOUS="source" NEXT="loggeduser"/>
+        <FIELD NAME="loggeduser" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The course this item is part of" PREVIOUS="loggeduser" NEXT="categoryid"/>
+        <FIELD NAME="categoryid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="(optional) the category group this item belongs to" PREVIOUS="courseid" NEXT="itemname"/>
+        <FIELD NAME="itemname" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="The name of this item (pushed in by the module)" PREVIOUS="categoryid" NEXT="itemtype"/>
+        <FIELD NAME="itemtype" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" COMMENT="'mod', 'blocks', 'import', 'calculated' etc" PREVIOUS="itemname" NEXT="itemmodule"/>
+        <FIELD NAME="itemmodule" TYPE="char" LENGTH="30" NOTNULL="false" SEQUENCE="false" COMMENT="'forum', 'quiz', 'csv', etc" PREVIOUS="itemtype" NEXT="iteminstance"/>
+        <FIELD NAME="iteminstance" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="id of the item module" PREVIOUS="itemmodule" NEXT="itemnumber"/>
+        <FIELD NAME="itemnumber" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Can be used to distinguish multiple grades for an activity" PREVIOUS="iteminstance" NEXT="iteminfo"/>
+        <FIELD NAME="iteminfo" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="Info and notes about this item XXX" PREVIOUS="itemnumber" NEXT="idnumber"/>
+        <FIELD NAME="idnumber" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Arbitrary idnumber provided by the module responsible" PREVIOUS="iteminfo" NEXT="calculation"/>
+        <FIELD NAME="calculation" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="Formula describing how to derive this grade from other items, referring to them using giXXX where XXX is grade item id ... eg something like: =sin(square([#gi20#])) + [#gi30#]" PREVIOUS="idnumber" NEXT="gradetype"/>
+        <FIELD NAME="gradetype" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" COMMENT="0 = none, 1 = value, 2 = scale, 3 = text" PREVIOUS="calculation" NEXT="grademax"/>
+        <FIELD NAME="grademax" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="100" SEQUENCE="false" DECIMALS="5" COMMENT="What is the maximum allowable grade?" PREVIOUS="gradetype" NEXT="grademin"/>
+        <FIELD NAME="grademin" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="What is the minimum allowable grade?" PREVIOUS="grademax" NEXT="scaleid"/>
+        <FIELD NAME="scaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="If this grade is based on a scale, which one is it?" PREVIOUS="grademin" NEXT="outcomeid"/>
+        <FIELD NAME="outcomeid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="If this grade is related to an outcome, which one is it?" PREVIOUS="scaleid" NEXT="gradepass"/>
+        <FIELD NAME="gradepass" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="What grade is needed to pass? grademin &amp;lt; gradepass &amp;lt;= grademax" PREVIOUS="outcomeid" NEXT="multfactor"/>
+        <FIELD NAME="multfactor" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="1.0" SEQUENCE="false" DECIMALS="5" COMMENT="Multiply all grades by this" PREVIOUS="gradepass" NEXT="plusfactor"/>
+        <FIELD NAME="plusfactor" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="Add this to all grades" PREVIOUS="multfactor" NEXT="aggregationcoef"/>
+        <FIELD NAME="aggregationcoef" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="Aggregation coefficient used for category weights or other aggregation types" PREVIOUS="plusfactor" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Sorting order of the columns" PREVIOUS="aggregationcoef" NEXT="hidden"/>
+        <FIELD NAME="hidden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="1 is hidden, &amp;gt; 1 is a date to hide until (prevents viewing)" PREVIOUS="sortorder" NEXT="locked"/>
+        <FIELD NAME="locked" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="1 is locked, &amp;gt; 1 is a date to lock until (prevents update)" PREVIOUS="hidden" NEXT="locktime"/>
+        <FIELD NAME="locktime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="lock all final grades after this date" PREVIOUS="locked" NEXT="needsupdate"/>
+        <FIELD NAME="needsupdate" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="If this flag is set, then the whole column will be recalculated" PREVIOUS="locktime"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="oldid"/>
@@ -1658,30 +1658,30 @@
     </TABLE>
     <TABLE NAME="grade_grades_history" COMMENT="History table" PREVIOUS="grade_items_history" NEXT="grade_import_newitem">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="action"/>
-        <FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="created/modified/deleted constants" PREVIOUS="id" NEXT="oldid"/>
-        <FIELD NAME="oldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="action" NEXT="source"/>
-        <FIELD NAME="source" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="What caused the modification? manual/module/import/..." PREVIOUS="oldid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The last time this grade_item was modified" PREVIOUS="source" NEXT="loggeduser"/>
-        <FIELD NAME="loggeduser" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified" NEXT="itemid"/>
-        <FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The item this grade belongs to" PREVIOUS="loggeduser" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The user who this grade is for" PREVIOUS="itemid" NEXT="rawgrade"/>
-        <FIELD NAME="rawgrade" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="If the grade is a float value (or has been converted to one)" PREVIOUS="userid" NEXT="rawgrademax"/>
-        <FIELD NAME="rawgrademax" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="100" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="The maximum allowable grade when this was created" PREVIOUS="rawgrade" NEXT="rawgrademin"/>
-        <FIELD NAME="rawgrademin" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="The minimum allowable grade when this was created" PREVIOUS="rawgrademax" NEXT="rawscaleid"/>
-        <FIELD NAME="rawscaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="If this grade is based on a scale, which one was it?" PREVIOUS="rawgrademin" NEXT="usermodified"/>
-        <FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="the userid of the person who last modified this grade" PREVIOUS="rawscaleid" NEXT="finalgrade"/>
-        <FIELD NAME="finalgrade" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="The final grade (cached) after all calculations are made" PREVIOUS="usermodified" NEXT="hidden"/>
-        <FIELD NAME="hidden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="show 0, hide 1 or hide until date" PREVIOUS="finalgrade" NEXT="locked"/>
-        <FIELD NAME="locked" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="not locked 0, locked from date" PREVIOUS="hidden" NEXT="locktime"/>
-        <FIELD NAME="locktime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="automatic locking of final grade, 0 means none, date otherwise" PREVIOUS="locked" NEXT="exported"/>
-        <FIELD NAME="exported" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="date of last grade export, 0 if none" PREVIOUS="locktime" NEXT="overridden"/>
-        <FIELD NAME="overridden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="indicates grade overridden from gradebook, 0 means none, date means overridden" PREVIOUS="exported" NEXT="excluded"/>
-        <FIELD NAME="excluded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="grade excluded from aggregation functions, date means when excluded" PREVIOUS="overridden" NEXT="feedback"/>
-        <FIELD NAME="feedback" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="grading feedback" PREVIOUS="excluded" NEXT="feedbackformat"/>
-        <FIELD NAME="feedbackformat" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="format of feedback text" PREVIOUS="feedback" NEXT="information"/>
-        <FIELD NAME="information" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="optiona information" PREVIOUS="feedbackformat" NEXT="informationformat"/>
-        <FIELD NAME="informationformat" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="format of information text" PREVIOUS="information"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="action"/>
+        <FIELD NAME="action" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="created/modified/deleted constants" PREVIOUS="id" NEXT="oldid"/>
+        <FIELD NAME="oldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="action" NEXT="source"/>
+        <FIELD NAME="source" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="What caused the modification? manual/module/import/..." PREVIOUS="oldid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="The last time this grade_item was modified" PREVIOUS="source" NEXT="loggeduser"/>
+        <FIELD NAME="loggeduser" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the userid of the person who last modified this outcome" PREVIOUS="timemodified" NEXT="itemid"/>
+        <FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The item this grade belongs to" PREVIOUS="loggeduser" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The user who this grade is for" PREVIOUS="itemid" NEXT="rawgrade"/>
+        <FIELD NAME="rawgrade" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="5" COMMENT="If the grade is a float value (or has been converted to one)" PREVIOUS="userid" NEXT="rawgrademax"/>
+        <FIELD NAME="rawgrademax" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="100" SEQUENCE="false" DECIMALS="5" COMMENT="The maximum allowable grade when this was created" PREVIOUS="rawgrade" NEXT="rawgrademin"/>
+        <FIELD NAME="rawgrademin" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="The minimum allowable grade when this was created" PREVIOUS="rawgrademax" NEXT="rawscaleid"/>
+        <FIELD NAME="rawscaleid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="If this grade is based on a scale, which one was it?" PREVIOUS="rawgrademin" NEXT="usermodified"/>
+        <FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="the userid of the person who last modified this grade" PREVIOUS="rawscaleid" NEXT="finalgrade"/>
+        <FIELD NAME="finalgrade" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="5" COMMENT="The final grade (cached) after all calculations are made" PREVIOUS="usermodified" NEXT="hidden"/>
+        <FIELD NAME="hidden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="show 0, hide 1 or hide until date" PREVIOUS="finalgrade" NEXT="locked"/>
+        <FIELD NAME="locked" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="not locked 0, locked from date" PREVIOUS="hidden" NEXT="locktime"/>
+        <FIELD NAME="locktime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="automatic locking of final grade, 0 means none, date otherwise" PREVIOUS="locked" NEXT="exported"/>
+        <FIELD NAME="exported" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="date of last grade export, 0 if none" PREVIOUS="locktime" NEXT="overridden"/>
+        <FIELD NAME="overridden" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="indicates grade overridden from gradebook, 0 means none, date means overridden" PREVIOUS="exported" NEXT="excluded"/>
+        <FIELD NAME="excluded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="grade excluded from aggregation functions, date means when excluded" PREVIOUS="overridden" NEXT="feedback"/>
+        <FIELD NAME="feedback" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="grading feedback" PREVIOUS="excluded" NEXT="feedbackformat"/>
+        <FIELD NAME="feedbackformat" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="format of feedback text" PREVIOUS="feedback" NEXT="information"/>
+        <FIELD NAME="information" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="optiona information" PREVIOUS="feedbackformat" NEXT="informationformat"/>
+        <FIELD NAME="informationformat" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="format of information text" PREVIOUS="information"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="oldid"/>
@@ -1698,10 +1698,10 @@
     </TABLE>
     <TABLE NAME="grade_import_newitem" COMMENT="temporary table for storing new grade_item names from grade import" PREVIOUS="grade_grades_history" NEXT="grade_import_values">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="itemname"/>
-        <FIELD NAME="itemname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="new grade item name" PREVIOUS="id" NEXT="importcode"/>
-        <FIELD NAME="importcode" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="import batch code for identification" PREVIOUS="itemname" NEXT="importer"/>
-        <FIELD NAME="importer" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="user importing the data" PREVIOUS="importcode"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="itemname"/>
+        <FIELD NAME="itemname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="new grade item name" PREVIOUS="id" NEXT="importcode"/>
+        <FIELD NAME="importcode" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="import batch code for identification" PREVIOUS="itemname" NEXT="importer"/>
+        <FIELD NAME="importer" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="user importing the data" PREVIOUS="importcode"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="importer"/>
@@ -1710,14 +1710,14 @@
     </TABLE>
     <TABLE NAME="grade_import_values" COMMENT="Temporary table for importing grades" PREVIOUS="grade_import_newitem" NEXT="tag">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="itemid"/>
-        <FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="if set, this points to existing grade_items id" PREVIOUS="id" NEXT="newgradeitem"/>
-        <FIELD NAME="newgradeitem" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="if set, points to the id of grade_import_newitem" PREVIOUS="itemid" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="newgradeitem" NEXT="finalgrade"/>
-        <FIELD NAME="finalgrade" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="raw grade value" PREVIOUS="userid" NEXT="feedback"/>
-        <FIELD NAME="feedback" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="finalgrade" NEXT="importcode"/>
-        <FIELD NAME="importcode" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="similar to backup_code, a unique batch code for identifying one batch of imports" PREVIOUS="feedback" NEXT="importer"/>
-        <FIELD NAME="importer" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="importcode"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="itemid"/>
+        <FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="if set, this points to existing grade_items id" PREVIOUS="id" NEXT="newgradeitem"/>
+        <FIELD NAME="newgradeitem" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="if set, points to the id of grade_import_newitem" PREVIOUS="itemid" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="newgradeitem" NEXT="finalgrade"/>
+        <FIELD NAME="finalgrade" TYPE="number" LENGTH="10" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="5" COMMENT="raw grade value" PREVIOUS="userid" NEXT="feedback"/>
+        <FIELD NAME="feedback" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" PREVIOUS="finalgrade" NEXT="importcode"/>
+        <FIELD NAME="importcode" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="similar to backup_code, a unique batch code for identifying one batch of imports" PREVIOUS="feedback" NEXT="importer"/>
+        <FIELD NAME="importer" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" PREVIOUS="importcode"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="itemid"/>
@@ -1728,15 +1728,15 @@
     </TABLE>
     <TABLE NAME="tag" COMMENT="Tag table - this generic table will replace the old &quot;tags&quot; table." PREVIOUS="grade_import_values" NEXT="tag_correlation">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="rawname"/>
-        <FIELD NAME="rawname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The raw, unnormalised name for the tag as entered by users" PREVIOUS="name" NEXT="tagtype"/>
-        <FIELD NAME="tagtype" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="rawname" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="tagtype" NEXT="descriptionformat"/>
-        <FIELD NAME="descriptionformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="description" NEXT="flag"/>
-        <FIELD NAME="flag" TYPE="int" LENGTH="4" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="a tag can be 'flagged' as inappropriate" PREVIOUS="descriptionformat" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="flag"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="rawname"/>
+        <FIELD NAME="rawname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="The raw, unnormalised name for the tag as entered by users" PREVIOUS="name" NEXT="tagtype"/>
+        <FIELD NAME="tagtype" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" PREVIOUS="rawname" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="tagtype" NEXT="descriptionformat"/>
+        <FIELD NAME="descriptionformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="description" NEXT="flag"/>
+        <FIELD NAME="flag" TYPE="int" LENGTH="4" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="a tag can be 'flagged' as inappropriate" PREVIOUS="descriptionformat" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" PREVIOUS="flag"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="userid"/>
@@ -1748,9 +1748,9 @@
     </TABLE>
     <TABLE NAME="tag_correlation" COMMENT="The rationale for the 'tag_correlation' table is performance.   It works as a cache for a potentially heavy load query done at the 'tag_instance' table.   So, the 'tag_correlation' table stores redundant information derived from the 'tag_instance' table" PREVIOUS="tag" NEXT="tag_instance">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="tagid"/>
-        <FIELD NAME="tagid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="correlatedtags"/>
-        <FIELD NAME="correlatedtags" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="tagid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="tagid"/>
+        <FIELD NAME="tagid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="correlatedtags"/>
+        <FIELD NAME="correlatedtags" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="tagid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="tagid"/>
@@ -1759,13 +1759,13 @@
     </TABLE>
     <TABLE NAME="tag_instance" COMMENT="tag_instance table holds the information of associations between tags and other items" PREVIOUS="tag_correlation" NEXT="groups">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="tagid"/>
-        <FIELD NAME="tagid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="itemtype"/>
-        <FIELD NAME="itemtype" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="tagid" NEXT="itemid"/>
-        <FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="itemtype" NEXT="tiuserid"/>
-        <FIELD NAME="tiuserid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="itemid" NEXT="ordering"/>
-        <FIELD NAME="ordering" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Maintains the order of the tag instances of an item" PREVIOUS="tiuserid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="timemodified" PREVIOUS="ordering"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="tagid"/>
+        <FIELD NAME="tagid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="itemtype"/>
+        <FIELD NAME="itemtype" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="tagid" NEXT="itemid"/>
+        <FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="itemtype" NEXT="tiuserid"/>
+        <FIELD NAME="tiuserid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="itemid" NEXT="ordering"/>
+        <FIELD NAME="ordering" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Maintains the order of the tag instances of an item" PREVIOUS="tiuserid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="timemodified" PREVIOUS="ordering"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="tagid"/>
@@ -1777,15 +1777,15 @@
     </TABLE>
     <TABLE NAME="groups" COMMENT="Each record represents a group." PREVIOUS="tag_instance" NEXT="groupings">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="254" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Short human readable unique name for the group." PREVIOUS="courseid" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="enrolmentkey"/>
-        <FIELD NAME="enrolmentkey" TYPE="char" LENGTH="50" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="description" NEXT="picture"/>
-        <FIELD NAME="picture" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="enrolmentkey" NEXT="hidepicture"/>
-        <FIELD NAME="hidepicture" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="picture" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hidepicture" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="254" NOTNULL="true" SEQUENCE="false" COMMENT="Short human readable unique name for the group." PREVIOUS="courseid" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="name" NEXT="enrolmentkey"/>
+        <FIELD NAME="enrolmentkey" TYPE="char" LENGTH="50" NOTNULL="false" SEQUENCE="false" PREVIOUS="description" NEXT="picture"/>
+        <FIELD NAME="picture" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="enrolmentkey" NEXT="hidepicture"/>
+        <FIELD NAME="hidepicture" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="picture" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="hidepicture" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="courseid"/>
@@ -1794,13 +1794,13 @@
     </TABLE>
     <TABLE NAME="groupings" COMMENT="A grouping is a collection of groups. WAS: groups_groupings" PREVIOUS="groups" NEXT="groups_members">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Short human readable unique name for group." PREVIOUS="courseid" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="configdata"/>
-        <FIELD NAME="configdata" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="extra configuration data - may be used by group IU tools" PREVIOUS="description" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="configdata" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="Short human readable unique name for group." PREVIOUS="courseid" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="name" NEXT="configdata"/>
+        <FIELD NAME="configdata" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" COMMENT="extra configuration data - may be used by group IU tools" PREVIOUS="description" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="configdata" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="courseid"/>
@@ -1809,10 +1809,10 @@
     </TABLE>
     <TABLE NAME="groups_members" COMMENT="Link a user to a group." PREVIOUS="groupings" NEXT="groupings_groups">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="timeadded"/>
-        <FIELD NAME="timeadded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="groupid" NEXT="timeadded"/>
+        <FIELD NAME="timeadded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="groupid"/>
@@ -1822,10 +1822,10 @@
     </TABLE>
     <TABLE NAME="groupings_groups" COMMENT="Link a grouping to a group (note, groups can be in multiple groupings ONLY in a course). WAS: groups_groupings_groups" PREVIOUS="groups_members" NEXT="user_private_key">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="groupingid"/>
-        <FIELD NAME="groupingid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupingid" NEXT="timeadded"/>
-        <FIELD NAME="timeadded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="groupingid"/>
+        <FIELD NAME="groupingid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="groupingid" NEXT="timeadded"/>
+        <FIELD NAME="timeadded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="groupid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="groupingid"/>
@@ -1835,14 +1835,14 @@
     </TABLE>
     <TABLE NAME="user_private_key" COMMENT="access keys used in cookieless scripts - rss, etc." PREVIOUS="groupings_groups" NEXT="grade_letters">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="script"/>
-        <FIELD NAME="script" TYPE="char" LENGTH="128" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="plugin, module - unique identifier" PREVIOUS="id" NEXT="value"/>
-        <FIELD NAME="value" TYPE="char" LENGTH="128" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="private access key value" PREVIOUS="script" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="owner" PREVIOUS="value" NEXT="instance"/>
-        <FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="optional instance id" PREVIOUS="userid" NEXT="iprestriction"/>
-        <FIELD NAME="iprestriction" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="ip restriction" PREVIOUS="instance" NEXT="validuntil"/>
-        <FIELD NAME="validuntil" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="timestampt - valid until data" PREVIOUS="iprestriction" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="created timestamp" PREVIOUS="validuntil"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="script"/>
+        <FIELD NAME="script" TYPE="char" LENGTH="128" NOTNULL="true" SEQUENCE="false" COMMENT="plugin, module - unique identifier" PREVIOUS="id" NEXT="value"/>
+        <FIELD NAME="value" TYPE="char" LENGTH="128" NOTNULL="true" SEQUENCE="false" COMMENT="private access key value" PREVIOUS="script" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="owner" PREVIOUS="value" NEXT="instance"/>
+        <FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="optional instance id" PREVIOUS="userid" NEXT="iprestriction"/>
+        <FIELD NAME="iprestriction" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="ip restriction" PREVIOUS="instance" NEXT="validuntil"/>
+        <FIELD NAME="validuntil" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="timestampt - valid until data" PREVIOUS="iprestriction" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="created timestamp" PREVIOUS="validuntil"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="userid"/>
@@ -1854,10 +1854,10 @@
     </TABLE>
     <TABLE NAME="grade_letters" COMMENT="Repository for grade letters, for courses and other moodle entities that use grades." PREVIOUS="user_private_key" NEXT="cache_flags">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="contextid"/>
-        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="What contextid does this letter apply to (for now these will always be courses, but later...)" PREVIOUS="id" NEXT="lowerboundary"/>
-        <FIELD NAME="lowerboundary" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="The lower boundary of the letter. Its upper boundary is the lower boundary of the next highest letter, unless there is none above, in which case it's grademax for that grade_item." PREVIOUS="contextid" NEXT="letter"/>
-        <FIELD NAME="letter" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The display value of the letter. Can be any character or string of characters (OK, A, 10% etc..)" PREVIOUS="lowerboundary"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="contextid"/>
+        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="What contextid does this letter apply to (for now these will always be courses, but later...)" PREVIOUS="id" NEXT="lowerboundary"/>
+        <FIELD NAME="lowerboundary" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" DECIMALS="5" COMMENT="The lower boundary of the letter. Its upper boundary is the lower boundary of the next highest letter, unless there is none above, in which case it's grademax for that grade_item." PREVIOUS="contextid" NEXT="letter"/>
+        <FIELD NAME="letter" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="The display value of the letter. Can be any character or string of characters (OK, A, 10% etc..)" PREVIOUS="lowerboundary"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -1868,12 +1868,12 @@
     </TABLE>
     <TABLE NAME="cache_flags" COMMENT="Cache of time-sensitive flags" PREVIOUS="grade_letters" NEXT="grade_settings">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="flagtype"/>
-        <FIELD NAME="flagtype" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="flagtype" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="expiry"/>
-        <FIELD NAME="expiry" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="value"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="flagtype"/>
+        <FIELD NAME="flagtype" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="flagtype" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="name" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" PREVIOUS="timemodified" NEXT="expiry"/>
+        <FIELD NAME="expiry" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="value"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -1885,10 +1885,10 @@
     </TABLE>
     <TABLE NAME="grade_settings" COMMENT="gradebook settings" PREVIOUS="cache_flags" NEXT="webdav_locks">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="courseid" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="courseid"/>
@@ -1900,16 +1900,16 @@
     </TABLE>
     <TABLE NAME="webdav_locks" COMMENT="Resource locks for WebDAV users" PREVIOUS="grade_settings" NEXT="portfolio_instance">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="token"/>
-        <FIELD NAME="token" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="path"/>
-        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="token" NEXT="expiry"/>
-        <FIELD NAME="expiry" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="path" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="expiry" NEXT="recursive"/>
-        <FIELD NAME="recursive" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="exclusivelock"/>
-        <FIELD NAME="exclusivelock" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="recursive" NEXT="created"/>
-        <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="exclusivelock" NEXT="modified"/>
-        <FIELD NAME="modified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="created" NEXT="owner"/>
-        <FIELD NAME="owner" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="modified"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="token"/>
+        <FIELD NAME="token" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="path"/>
+        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="token" NEXT="expiry"/>
+        <FIELD NAME="expiry" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="path" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="expiry" NEXT="recursive"/>
+        <FIELD NAME="recursive" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="exclusivelock"/>
+        <FIELD NAME="exclusivelock" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="recursive" NEXT="created"/>
+        <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="exclusivelock" NEXT="modified"/>
+        <FIELD NAME="modified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="created" NEXT="owner"/>
+        <FIELD NAME="owner" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" PREVIOUS="modified"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="token"/>
@@ -1922,10 +1922,10 @@
     </TABLE>
     <TABLE NAME="portfolio_instance" COMMENT="base table (not including config data) for instances of portfolio plugins." PREVIOUS="webdav_locks" NEXT="portfolio_instance_config">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="plugin"/>
-        <FIELD NAME="plugin" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="fk to plugin" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="name of plugin instance" PREVIOUS="plugin" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" COMMENT="whether this instance is visible or not" PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="plugin"/>
+        <FIELD NAME="plugin" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" COMMENT="fk to plugin" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="name of plugin instance" PREVIOUS="plugin" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" COMMENT="whether this instance is visible or not" PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -1933,10 +1933,10 @@
     </TABLE>
     <TABLE NAME="portfolio_instance_config" COMMENT="config for portfolio plugin instances" PREVIOUS="portfolio_instance" NEXT="portfolio_instance_user">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="instance"/>
-        <FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="instance of plugin we're configurating" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="config field" PREVIOUS="instance" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="config value" PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="instance"/>
+        <FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="instance of plugin we're configurating" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="config field" PREVIOUS="instance" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="config value" PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="instance"/>
@@ -1948,11 +1948,11 @@
     </TABLE>
     <TABLE NAME="portfolio_instance_user" COMMENT="user data for portfolio instances." PREVIOUS="portfolio_instance_config" NEXT="portfolio_log">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="instance"/>
-        <FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="fk to instance table" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="fk to user table" PREVIOUS="instance" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="name of config item" PREVIOUS="userid" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="value of config item" PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="instance"/>
+        <FIELD NAME="instance" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="fk to instance table" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="fk to user table" PREVIOUS="instance" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="name of config item" PREVIOUS="userid" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="value of config item" PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="instancefk"/>
@@ -1962,13 +1962,13 @@
     </TABLE>
     <TABLE NAME="portfolio_log" COMMENT="log of portfolio transfers (used to later check for duplicates)" PREVIOUS="portfolio_instance_user" NEXT="portfolio_tempdata">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="user who exported content" PREVIOUS="id" NEXT="time"/>
-        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="time of transfer (in the case of a queued transfer this is the time the actual transfer ran, not when the user started)" PREVIOUS="userid" NEXT="portfolio"/>
-        <FIELD NAME="portfolio" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="fk to portfolio_instance" PREVIOUS="time" NEXT="caller_class"/>
-        <FIELD NAME="caller_class" TYPE="char" LENGTH="150" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="the name of the class used to create the transfer" PREVIOUS="portfolio" NEXT="caller_file"/>
-        <FIELD NAME="caller_file" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="path to file to include where the class definition lives. (relative to dirroot)" PREVIOUS="caller_class" NEXT="caller_sha1"/>
-        <FIELD NAME="caller_sha1" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="sha1 of exported content as far as the caller is concerned (before the portfolio plugin gets a hold of it)" PREVIOUS="caller_file"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="user who exported content" PREVIOUS="id" NEXT="time"/>
+        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="time of transfer (in the case of a queued transfer this is the time the actual transfer ran, not when the user started)" PREVIOUS="userid" NEXT="portfolio"/>
+        <FIELD NAME="portfolio" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="fk to portfolio_instance" PREVIOUS="time" NEXT="caller_class"/>
+        <FIELD NAME="caller_class" TYPE="char" LENGTH="150" NOTNULL="true" SEQUENCE="false" COMMENT="the name of the class used to create the transfer" PREVIOUS="portfolio" NEXT="caller_file"/>
+        <FIELD NAME="caller_file" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="path to file to include where the class definition lives. (relative to dirroot)" PREVIOUS="caller_class" NEXT="caller_sha1"/>
+        <FIELD NAME="caller_sha1" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="sha1 of exported content as far as the caller is concerned (before the portfolio plugin gets a hold of it)" PREVIOUS="caller_file"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="userfk"/>
@@ -1978,10 +1978,10 @@
     </TABLE>
     <TABLE NAME="portfolio_tempdata" COMMENT="stores temporary data for portfolio exports. the id of this table is used for the itemid for the temporary files area.  cron can clean up stale records (and associated file data) after expirytime." PREVIOUS="portfolio_log" NEXT="message_providers">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="data"/>
-        <FIELD NAME="data" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="dumping ground for portfolio callers to store their data in." PREVIOUS="id" NEXT="expirytime"/>
-        <FIELD NAME="expirytime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="time this record will expire (used for cron cleanups) - the start of export + 24 hours" PREVIOUS="data" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="psuedo fk to user.  this is stored in the serialised data structure in the data field, but added here for ease of lookups." PREVIOUS="expirytime"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="data"/>
+        <FIELD NAME="data" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" COMMENT="dumping ground for portfolio callers to store their data in." PREVIOUS="id" NEXT="expirytime"/>
+        <FIELD NAME="expirytime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="time this record will expire (used for cron cleanups) - the start of export + 24 hours" PREVIOUS="data" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="psuedo fk to user.  this is stored in the serialised data structure in the data field, but added here for ease of lookups." PREVIOUS="expirytime"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="userfk"/>
@@ -1990,10 +1990,10 @@
     </TABLE>
     <TABLE NAME="message_providers" COMMENT="This table stores the message providers (modules and core systems)" PREVIOUS="portfolio_tempdata" NEXT="message_processors">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="true" ENUM="false" COMMENT="id of the table, please edit me" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The full name of the message provider in standard form" PREVIOUS="id" NEXT="component"/>
-        <FIELD NAME="component" TYPE="char" LENGTH="200" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The name of the component that produces these messages" PREVIOUS="name" NEXT="capability"/>
-        <FIELD NAME="capability" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Optional: permission that is required on the user's setting screen to see this message provider." PREVIOUS="component"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="true" COMMENT="id of the table, please edit me" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" COMMENT="The full name of the message provider in standard form" PREVIOUS="id" NEXT="component"/>
+        <FIELD NAME="component" TYPE="char" LENGTH="200" NOTNULL="true" SEQUENCE="false" COMMENT="The name of the component that produces these messages" PREVIOUS="name" NEXT="capability"/>
+        <FIELD NAME="capability" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Optional: permission that is required on the user's setting screen to see this message provider." PREVIOUS="component"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the table, please edit me"/>
@@ -2004,8 +2004,8 @@
     </TABLE>
     <TABLE NAME="message_processors" COMMENT="List of message output plugins" PREVIOUS="message_providers" NEXT="message_working">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="true" ENUM="false" COMMENT="id of the table, please edit me" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="166" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Default comment for the field, please edit me" PREVIOUS="id"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="true" COMMENT="id of the table, please edit me" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="166" NOTNULL="true" SEQUENCE="false" COMMENT="Default comment for the field, please edit me" PREVIOUS="id"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the table, please edit me"/>
@@ -2013,9 +2013,9 @@
     </TABLE>
     <TABLE NAME="message_working" COMMENT="Lists all the messages and processors that need to be processed" PREVIOUS="message_processors" NEXT="files">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="true" ENUM="false" COMMENT="id of the table, please edit me" NEXT="unreadmessageid"/>
-        <FIELD NAME="unreadmessageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="message that still needs some processing (on message table)" PREVIOUS="id" NEXT="processorid"/>
-        <FIELD NAME="processorid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The processor with processes the message" PREVIOUS="unreadmessageid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="true" COMMENT="id of the table, please edit me" NEXT="unreadmessageid"/>
+        <FIELD NAME="unreadmessageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="message that still needs some processing (on message table)" PREVIOUS="id" NEXT="processorid"/>
+        <FIELD NAME="processorid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The processor with processes the message" PREVIOUS="unreadmessageid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="primary key of the table, please edit me"/>
@@ -2023,20 +2023,20 @@
     </TABLE>
     <TABLE NAME="files" COMMENT="description of files, content stored in sha1 file pool" PREVIOUS="message_working" NEXT="files_cleanup">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="contenthash"/>
-        <FIELD NAME="contenthash" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="sha1 hash of file content" PREVIOUS="id" NEXT="pathnamehash"/>
-        <FIELD NAME="pathnamehash" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="complete file path sha1 hash - unique for each file" PREVIOUS="contenthash" NEXT="contextid"/>
-        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="The context id defined in context table - identifies the instance of plugin owning the file" PREVIOUS="pathnamehash" NEXT="filearea"/>
-        <FIELD NAME="filearea" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Like &quot;coursefiles&quot;. &quot;submission&quot;, &quot;intro&quot; and &quot;content&quot; (images and swf linked from summaries), etc." PREVIOUS="contextid" NEXT="itemid"/>
-        <FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Optional - some plugin specific item id (eg. forum post, blog entry or assignment submission, user id for user files)" PREVIOUS="filearea" NEXT="filepath"/>
-        <FIELD NAME="filepath" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Optional - relative path to file from module content root, useful in Scorm and Resource mod - most of the mods do not need this" PREVIOUS="itemid" NEXT="filename"/>
-        <FIELD NAME="filename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The full Unicode name of this file (case sensitive) - some chars are not allowed though" PREVIOUS="filepath" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Optional - general userid field - meaning depending on plugin" PREVIOUS="filename" NEXT="filesize"/>
-        <FIELD NAME="filesize" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="mimetype"/>
-        <FIELD NAME="mimetype" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="type of file - jpeg image, open document spreadsheet" PREVIOUS="filesize" NEXT="status"/>
-        <FIELD NAME="status" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="number greater than 0 means something is wrong with this file (virus, missing, etc.)" PREVIOUS="mimetype" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="status" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="contenthash"/>
+        <FIELD NAME="contenthash" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" COMMENT="sha1 hash of file content" PREVIOUS="id" NEXT="pathnamehash"/>
+        <FIELD NAME="pathnamehash" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" COMMENT="complete file path sha1 hash - unique for each file" PREVIOUS="contenthash" NEXT="contextid"/>
+        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="The context id defined in context table - identifies the instance of plugin owning the file" PREVIOUS="pathnamehash" NEXT="filearea"/>
+        <FIELD NAME="filearea" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" COMMENT="Like &quot;coursefiles&quot;. &quot;submission&quot;, &quot;intro&quot; and &quot;content&quot; (images and swf linked from summaries), etc." PREVIOUS="contextid" NEXT="itemid"/>
+        <FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="Optional - some plugin specific item id (eg. forum post, blog entry or assignment submission, user id for user files)" PREVIOUS="filearea" NEXT="filepath"/>
+        <FIELD NAME="filepath" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="Optional - relative path to file from module content root, useful in Scorm and Resource mod - most of the mods do not need this" PREVIOUS="itemid" NEXT="filename"/>
+        <FIELD NAME="filename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="The full Unicode name of this file (case sensitive) - some chars are not allowed though" PREVIOUS="filepath" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Optional - general userid field - meaning depending on plugin" PREVIOUS="filename" NEXT="filesize"/>
+        <FIELD NAME="filesize" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="userid" NEXT="mimetype"/>
+        <FIELD NAME="mimetype" TYPE="char" LENGTH="100" NOTNULL="false" SEQUENCE="false" COMMENT="type of file - jpeg image, open document spreadsheet" PREVIOUS="filesize" NEXT="status"/>
+        <FIELD NAME="status" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="number greater than 0 means something is wrong with this file (virus, missing, etc.)" PREVIOUS="mimetype" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="status" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="timecreated"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="contextid"/>
@@ -2051,8 +2051,8 @@
     </TABLE>
     <TABLE NAME="files_cleanup" COMMENT="File pool cleanup candidates" PREVIOUS="files" NEXT="repository">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="contenthash"/>
-        <FIELD NAME="contenthash" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="contenthash"/>
+        <FIELD NAME="contenthash" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" PREVIOUS="id"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -2063,10 +2063,10 @@
     </TABLE>
     <TABLE NAME="repository" COMMENT="This table contains one entry for every configured external repository instance." PREVIOUS="files_cleanup" NEXT="repository_instances">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="type"/>
-        <FIELD NAME="type" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="false" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="type" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="visible"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="type"/>
+        <FIELD NAME="type" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="false" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="type" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="visible"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -2074,16 +2074,16 @@
     </TABLE>
     <TABLE NAME="repository_instances" COMMENT="This table contains one entry for every configured external repository instance." PREVIOUS="repository" NEXT="repository_instance_config">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="typeid"/>
-        <FIELD NAME="typeid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="typeid" NEXT="contextid"/>
-        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="username"/>
-        <FIELD NAME="username" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="contextid" NEXT="password"/>
-        <FIELD NAME="password" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="username" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="password" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="readonly"/>
-        <FIELD NAME="readonly" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="typeid"/>
+        <FIELD NAME="typeid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="name" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="typeid" NEXT="contextid"/>
+        <FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="userid" NEXT="username"/>
+        <FIELD NAME="username" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" PREVIOUS="contextid" NEXT="password"/>
+        <FIELD NAME="password" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" PREVIOUS="username" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" PREVIOUS="password" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" PREVIOUS="timecreated" NEXT="readonly"/>
+        <FIELD NAME="readonly" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -2091,10 +2091,10 @@
     </TABLE>
     <TABLE NAME="repository_instance_config" COMMENT="The config for intances" PREVIOUS="repository_instances" NEXT="backup_files">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="instanceid"/>
-        <FIELD NAME="instanceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="instanceid" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="instanceid"/>
+        <FIELD NAME="instanceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="instanceid" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -2102,12 +2102,12 @@
     </TABLE>
     <TABLE NAME="backup_files" COMMENT="To store and recode ids to user and course files" PREVIOUS="repository_instance_config" NEXT="backup_ids">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="backup_code"/>
-        <FIELD NAME="backup_code" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="file_type"/>
-        <FIELD NAME="file_type" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="backup_code" NEXT="path"/>
-        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="file_type" NEXT="old_id"/>
-        <FIELD NAME="old_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="path" NEXT="new_id"/>
-        <FIELD NAME="new_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="old_id"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="backup_code"/>
+        <FIELD NAME="backup_code" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="file_type"/>
+        <FIELD NAME="file_type" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" PREVIOUS="backup_code" NEXT="path"/>
+        <FIELD NAME="path" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="file_type" NEXT="old_id"/>
+        <FIELD NAME="old_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="path" NEXT="new_id"/>
+        <FIELD NAME="new_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="old_id"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="backup_code-file_type-path"/>
@@ -2116,12 +2116,12 @@
     </TABLE>
     <TABLE NAME="backup_ids" COMMENT="To store and convert ids in backup/restore" PREVIOUS="backup_files" NEXT="backup_courses">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="backup_code"/>
-        <FIELD NAME="backup_code" TYPE="int" LENGTH="12" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="table_name"/>
-        <FIELD NAME="table_name" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="backup_code" NEXT="old_id"/>
-        <FIELD NAME="old_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="table_name" NEXT="new_id"/>
-        <FIELD NAME="new_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="old_id" NEXT="info"/>
-        <FIELD NAME="info" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="new_id"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="backup_code"/>
+        <FIELD NAME="backup_code" TYPE="int" LENGTH="12" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="table_name"/>
+        <FIELD NAME="table_name" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="backup_code" NEXT="old_id"/>
+        <FIELD NAME="old_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="table_name" NEXT="new_id"/>
+        <FIELD NAME="new_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="old_id" NEXT="info"/>
+        <FIELD NAME="info" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" PREVIOUS="new_id"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="backup_code-table_name-old_id"/>
@@ -2130,12 +2130,12 @@
     </TABLE>
     <TABLE NAME="backup_courses" COMMENT="To store every course backup status" PREVIOUS="backup_ids" NEXT="backup_log">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="laststarttime"/>
-        <FIELD NAME="laststarttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="lastendtime"/>
-        <FIELD NAME="lastendtime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="laststarttime" NEXT="laststatus"/>
-        <FIELD NAME="laststatus" TYPE="char" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lastendtime" NEXT="nextstarttime"/>
-        <FIELD NAME="nextstarttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="laststatus"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="laststarttime"/>
+        <FIELD NAME="laststarttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="lastendtime"/>
+        <FIELD NAME="lastendtime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="laststarttime" NEXT="laststatus"/>
+        <FIELD NAME="laststatus" TYPE="char" LENGTH="1" NOTNULL="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lastendtime" NEXT="nextstarttime"/>
+        <FIELD NAME="nextstarttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="laststatus"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="courseid"/>
@@ -2144,12 +2144,12 @@
     </TABLE>
     <TABLE NAME="backup_log" COMMENT="To store every course backup log info" PREVIOUS="backup_courses" NEXT="block">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="time"/>
-        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="courseid" NEXT="laststarttime"/>
-        <FIELD NAME="laststarttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="time" NEXT="info"/>
-        <FIELD NAME="info" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="laststarttime" NEXT="backuptype"/>
-        <FIELD NAME="backuptype" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="info"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="time"/>
+        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="courseid" NEXT="laststarttime"/>
+        <FIELD NAME="laststarttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="time" NEXT="info"/>
+        <FIELD NAME="info" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="laststarttime" NEXT="backuptype"/>
+        <FIELD NAME="backuptype" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="info"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="courseid"/>
@@ -2158,13 +2158,13 @@
     </TABLE>
     <TABLE NAME="block" COMMENT="contains all installed blocks" PREVIOUS="backup_log" NEXT="block_pinned">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="version"/>
-        <FIELD NAME="version" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="cron"/>
-        <FIELD NAME="cron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="lastcron"/>
-        <FIELD NAME="lastcron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="cron" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="lastcron" NEXT="multiple"/>
-        <FIELD NAME="multiple" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="visible"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="40" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="version"/>
+        <FIELD NAME="version" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="name" NEXT="cron"/>
+        <FIELD NAME="cron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="version" NEXT="lastcron"/>
+        <FIELD NAME="lastcron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="cron" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="lastcron" NEXT="multiple"/>
+        <FIELD NAME="multiple" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="visible"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -2172,13 +2172,13 @@
     </TABLE>
     <TABLE NAME="block_pinned" COMMENT="to pin blocks" PREVIOUS="block" NEXT="block_instance">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="blockid"/>
-        <FIELD NAME="blockid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="pagetype"/>
-        <FIELD NAME="pagetype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="blockid" NEXT="position"/>
-        <FIELD NAME="position" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="pagetype" NEXT="weight"/>
-        <FIELD NAME="weight" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="position" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="weight" NEXT="configdata"/>
-        <FIELD NAME="configdata" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="visible"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="blockid"/>
+        <FIELD NAME="blockid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="pagetype"/>
+        <FIELD NAME="pagetype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="blockid" NEXT="position"/>
+        <FIELD NAME="position" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" PREVIOUS="pagetype" NEXT="weight"/>
+        <FIELD NAME="weight" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="position" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="weight" NEXT="configdata"/>
+        <FIELD NAME="configdata" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="visible"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="blockid"/>
@@ -2190,14 +2190,14 @@
     </TABLE>
     <TABLE NAME="block_instance" COMMENT="to store block instances in pages" PREVIOUS="block_pinned">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="blockid"/>
-        <FIELD NAME="blockid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="pageid"/>
-        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="blockid" NEXT="pagetype"/>
-        <FIELD NAME="pagetype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="pageid" NEXT="position"/>
-        <FIELD NAME="position" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="pagetype" NEXT="weight"/>
-        <FIELD NAME="weight" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="position" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="weight" NEXT="configdata"/>
-        <FIELD NAME="configdata" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="visible"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="blockid"/>
+        <FIELD NAME="blockid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="pageid"/>
+        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="blockid" NEXT="pagetype"/>
+        <FIELD NAME="pagetype" TYPE="char" LENGTH="20" NOTNULL="true" SEQUENCE="false" PREVIOUS="pageid" NEXT="position"/>
+        <FIELD NAME="position" TYPE="char" LENGTH="10" NOTNULL="true" SEQUENCE="false" PREVIOUS="pagetype" NEXT="weight"/>
+        <FIELD NAME="weight" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="position" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="weight" NEXT="configdata"/>
+        <FIELD NAME="configdata" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="visible"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="blockid"/>
diff --git a/mod/assignment/db/install.xml b/mod/assignment/db/install.xml
index 327007c1dc..26bf60ceaa 100644
--- a/mod/assignment/db/install.xml
+++ b/mod/assignment/db/install.xml
@@ -6,25 +6,25 @@
   <TABLES>
     <TABLE NAME="assignment" COMMENT="Defines assignments" NEXT="assignment_submissions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="assignmenttype"/>
-        <FIELD NAME="assignmenttype" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="introformat" NEXT="resubmit"/>
-        <FIELD NAME="resubmit" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assignmenttype" NEXT="preventlate"/>
-        <FIELD NAME="preventlate" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="resubmit" NEXT="emailteachers"/>
-        <FIELD NAME="emailteachers" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="preventlate" NEXT="var1"/>
-        <FIELD NAME="var1" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="emailteachers" NEXT="var2"/>
-        <FIELD NAME="var2" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="var1" NEXT="var3"/>
-        <FIELD NAME="var3" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="var2" NEXT="var4"/>
-        <FIELD NAME="var4" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="var3" NEXT="var5"/>
-        <FIELD NAME="var5" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="var4" NEXT="maxbytes"/>
-        <FIELD NAME="maxbytes" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="100000" SEQUENCE="false" ENUM="false" PREVIOUS="var5" NEXT="timedue"/>
-        <FIELD NAME="timedue" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="maxbytes" NEXT="timeavailable"/>
-        <FIELD NAME="timeavailable" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timedue" NEXT="grade"/>
-        <FIELD NAME="grade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeavailable" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="intro" NEXT="assignmenttype"/>
+        <FIELD NAME="assignmenttype" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="introformat" NEXT="resubmit"/>
+        <FIELD NAME="resubmit" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="assignmenttype" NEXT="preventlate"/>
+        <FIELD NAME="preventlate" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="resubmit" NEXT="emailteachers"/>
+        <FIELD NAME="emailteachers" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="preventlate" NEXT="var1"/>
+        <FIELD NAME="var1" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="emailteachers" NEXT="var2"/>
+        <FIELD NAME="var2" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="var1" NEXT="var3"/>
+        <FIELD NAME="var3" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="var2" NEXT="var4"/>
+        <FIELD NAME="var4" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="var3" NEXT="var5"/>
+        <FIELD NAME="var5" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="var4" NEXT="maxbytes"/>
+        <FIELD NAME="maxbytes" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="100000" SEQUENCE="false" PREVIOUS="var5" NEXT="timedue"/>
+        <FIELD NAME="timedue" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="maxbytes" NEXT="timeavailable"/>
+        <FIELD NAME="timeavailable" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timedue" NEXT="grade"/>
+        <FIELD NAME="grade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeavailable" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="grade"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -35,20 +35,20 @@
     </TABLE>
     <TABLE NAME="assignment_submissions" COMMENT="Info about submitted assignments" PREVIOUS="assignment">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="assignment"/>
-        <FIELD NAME="assignment" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assignment" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="numfiles"/>
-        <FIELD NAME="numfiles" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="data1"/>
-        <FIELD NAME="data1" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="numfiles" NEXT="data2"/>
-        <FIELD NAME="data2" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="data1" NEXT="grade"/>
-        <FIELD NAME="grade" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="data2" NEXT="submissioncomment"/>
-        <FIELD NAME="submissioncomment" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="format"/>
-        <FIELD NAME="format" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="submissioncomment" NEXT="teacher"/>
-        <FIELD NAME="teacher" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="format" NEXT="timemarked"/>
-        <FIELD NAME="timemarked" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="teacher" NEXT="mailed"/>
-        <FIELD NAME="mailed" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemarked"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="assignment"/>
+        <FIELD NAME="assignment" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="assignment" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated" NEXT="numfiles"/>
+        <FIELD NAME="numfiles" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified" NEXT="data1"/>
+        <FIELD NAME="data1" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="numfiles" NEXT="data2"/>
+        <FIELD NAME="data2" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="data1" NEXT="grade"/>
+        <FIELD NAME="grade" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="data2" NEXT="submissioncomment"/>
+        <FIELD NAME="submissioncomment" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="grade" NEXT="format"/>
+        <FIELD NAME="format" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="submissioncomment" NEXT="teacher"/>
+        <FIELD NAME="teacher" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="format" NEXT="timemarked"/>
+        <FIELD NAME="timemarked" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="teacher" NEXT="mailed"/>
+        <FIELD NAME="mailed" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemarked"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="assignment"/>
diff --git a/mod/chat/db/install.xml b/mod/chat/db/install.xml
index a8fcc5e985..df6e4b4610 100644
--- a/mod/chat/db/install.xml
+++ b/mod/chat/db/install.xml
@@ -6,16 +6,16 @@
   <TABLES>
     <TABLE NAME="chat" COMMENT="Each of these is a chat room" NEXT="chat_messages">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="text format of intro field" PREVIOUS="intro" NEXT="keepdays"/>
-        <FIELD NAME="keepdays" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="introformat" NEXT="studentlogs"/>
-        <FIELD NAME="studentlogs" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="keepdays" NEXT="chattime"/>
-        <FIELD NAME="chattime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="studentlogs" NEXT="schedule"/>
-        <FIELD NAME="schedule" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="chattime" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="schedule"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="text format of intro field" PREVIOUS="intro" NEXT="keepdays"/>
+        <FIELD NAME="keepdays" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="introformat" NEXT="studentlogs"/>
+        <FIELD NAME="studentlogs" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="keepdays" NEXT="chattime"/>
+        <FIELD NAME="chattime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="studentlogs" NEXT="schedule"/>
+        <FIELD NAME="schedule" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="chattime" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="schedule"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -26,13 +26,13 @@
     </TABLE>
     <TABLE NAME="chat_messages" COMMENT="Stores all the actual chat messages" PREVIOUS="chat" NEXT="chat_messages_current">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="chatid"/>
-        <FIELD NAME="chatid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="chatid" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="system"/>
-        <FIELD NAME="system" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="message"/>
-        <FIELD NAME="message" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="system" NEXT="timestamp"/>
-        <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="message"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="chatid"/>
+        <FIELD NAME="chatid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="chatid" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="system"/>
+        <FIELD NAME="system" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="groupid" NEXT="message"/>
+        <FIELD NAME="message" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="system" NEXT="timestamp"/>
+        <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="message"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="chatid"/>
@@ -46,13 +46,13 @@
     </TABLE>
     <TABLE NAME="chat_messages_current" COMMENT="Stores current session" PREVIOUS="chat_messages" NEXT="chat_users">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="chatid"/>
-        <FIELD NAME="chatid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="chatid" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="system"/>
-        <FIELD NAME="system" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="message"/>
-        <FIELD NAME="message" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="system" NEXT="timestamp"/>
-        <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="message"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="chatid"/>
+        <FIELD NAME="chatid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="chatid" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="system"/>
+        <FIELD NAME="system" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="groupid" NEXT="message"/>
+        <FIELD NAME="message" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="system" NEXT="timestamp"/>
+        <FIELD NAME="timestamp" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="message"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="chatid"/>
@@ -66,18 +66,18 @@
     </TABLE>
     <TABLE NAME="chat_users" COMMENT="Keeps track of which users are in which chat rooms" PREVIOUS="chat_messages_current">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="chatid"/>
-        <FIELD NAME="chatid" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="chatid" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="version"/>
-        <FIELD NAME="version" TYPE="char" LENGTH="16" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="ip"/>
-        <FIELD NAME="ip" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="firstping"/>
-        <FIELD NAME="firstping" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="ip" NEXT="lastping"/>
-        <FIELD NAME="lastping" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="firstping" NEXT="lastmessageping"/>
-        <FIELD NAME="lastmessageping" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lastping" NEXT="sid"/>
-        <FIELD NAME="sid" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="lastmessageping" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="sid" NEXT="lang"/>
-        <FIELD NAME="lang" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="chatid"/>
+        <FIELD NAME="chatid" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="chatid" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="version"/>
+        <FIELD NAME="version" TYPE="char" LENGTH="16" NOTNULL="true" SEQUENCE="false" PREVIOUS="groupid" NEXT="ip"/>
+        <FIELD NAME="ip" TYPE="char" LENGTH="45" NOTNULL="true" SEQUENCE="false" PREVIOUS="version" NEXT="firstping"/>
+        <FIELD NAME="firstping" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="ip" NEXT="lastping"/>
+        <FIELD NAME="lastping" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="firstping" NEXT="lastmessageping"/>
+        <FIELD NAME="lastmessageping" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lastping" NEXT="sid"/>
+        <FIELD NAME="sid" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" PREVIOUS="lastmessageping" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="sid" NEXT="lang"/>
+        <FIELD NAME="lang" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="course"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="chatid"/>
diff --git a/mod/choice/db/install.xml b/mod/choice/db/install.xml
index c14ed3bfb9..3f66472dd4 100644
--- a/mod/choice/db/install.xml
+++ b/mod/choice/db/install.xml
@@ -6,20 +6,20 @@
   <TABLES>
     <TABLE NAME="choice" COMMENT="Available choices are stored here" NEXT="choice_options">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="publish"/>
-        <FIELD NAME="publish" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="introformat" NEXT="showresults"/>
-        <FIELD NAME="showresults" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="publish" NEXT="display"/>
-        <FIELD NAME="display" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="showresults" NEXT="allowupdate"/>
-        <FIELD NAME="allowupdate" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="display" NEXT="showunanswered"/>
-        <FIELD NAME="showunanswered" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="allowupdate" NEXT="limitanswers"/>
-        <FIELD NAME="limitanswers" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="showunanswered" NEXT="timeopen"/>
-        <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="limitanswers" NEXT="timeclose"/>
-        <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeopen" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeclose"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="intro" NEXT="publish"/>
+        <FIELD NAME="publish" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="introformat" NEXT="showresults"/>
+        <FIELD NAME="showresults" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="publish" NEXT="display"/>
+        <FIELD NAME="display" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="showresults" NEXT="allowupdate"/>
+        <FIELD NAME="allowupdate" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="display" NEXT="showunanswered"/>
+        <FIELD NAME="showunanswered" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="allowupdate" NEXT="limitanswers"/>
+        <FIELD NAME="limitanswers" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="showunanswered" NEXT="timeopen"/>
+        <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="limitanswers" NEXT="timeclose"/>
+        <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeopen" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeclose"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -30,11 +30,11 @@
     </TABLE>
     <TABLE NAME="choice_options" COMMENT="available options to choice" PREVIOUS="choice" NEXT="choice_answers">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="choiceid"/>
-        <FIELD NAME="choiceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="text"/>
-        <FIELD NAME="text" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="choiceid" NEXT="maxanswers"/>
-        <FIELD NAME="maxanswers" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="text" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="maxanswers"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="choiceid"/>
+        <FIELD NAME="choiceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="text"/>
+        <FIELD NAME="text" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="choiceid" NEXT="maxanswers"/>
+        <FIELD NAME="maxanswers" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="text" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="maxanswers"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="choiceid"/>
@@ -43,11 +43,11 @@
     </TABLE>
     <TABLE NAME="choice_answers" COMMENT="choices performed by users" PREVIOUS="choice_options">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="choiceid"/>
-        <FIELD NAME="choiceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="choiceid" NEXT="optionid"/>
-        <FIELD NAME="optionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="optionid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="choiceid"/>
+        <FIELD NAME="choiceid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="choiceid" NEXT="optionid"/>
+        <FIELD NAME="optionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="optionid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="choiceid"/>
diff --git a/mod/data/db/install.xml b/mod/data/db/install.xml
index cca08c379e..b870327d4d 100644
--- a/mod/data/db/install.xml
+++ b/mod/data/db/install.xml
@@ -6,37 +6,37 @@
   <TABLES>
     <TABLE NAME="data" COMMENT="Removed ratings column" NEXT="data_fields">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="comments"/>
-        <FIELD NAME="comments" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="introformat" NEXT="timeavailablefrom"/>
-        <FIELD NAME="timeavailablefrom" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="comments" NEXT="timeavailableto"/>
-        <FIELD NAME="timeavailableto" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeavailablefrom" NEXT="timeviewfrom"/>
-        <FIELD NAME="timeviewfrom" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeavailableto" NEXT="timeviewto"/>
-        <FIELD NAME="timeviewto" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeviewfrom" NEXT="requiredentries"/>
-        <FIELD NAME="requiredentries" TYPE="int" LENGTH="8" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeviewto" NEXT="requiredentriestoview"/>
-        <FIELD NAME="requiredentriestoview" TYPE="int" LENGTH="8" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="requiredentries" NEXT="maxentries"/>
-        <FIELD NAME="maxentries" TYPE="int" LENGTH="8" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="requiredentriestoview" NEXT="rssarticles"/>
-        <FIELD NAME="rssarticles" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="maxentries" NEXT="singletemplate"/>
-        <FIELD NAME="singletemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="rssarticles" NEXT="listtemplate"/>
-        <FIELD NAME="listtemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="singletemplate" NEXT="listtemplateheader"/>
-        <FIELD NAME="listtemplateheader" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="listtemplate" NEXT="listtemplatefooter"/>
-        <FIELD NAME="listtemplatefooter" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="listtemplateheader" NEXT="addtemplate"/>
-        <FIELD NAME="addtemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="listtemplatefooter" NEXT="rsstemplate"/>
-        <FIELD NAME="rsstemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="addtemplate" NEXT="rsstitletemplate"/>
-        <FIELD NAME="rsstitletemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="rsstemplate" NEXT="csstemplate"/>
-        <FIELD NAME="csstemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="rsstitletemplate" NEXT="jstemplate"/>
-        <FIELD NAME="jstemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="csstemplate" NEXT="asearchtemplate"/>
-        <FIELD NAME="asearchtemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="jstemplate" NEXT="approval"/>
-        <FIELD NAME="approval" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="asearchtemplate" NEXT="scale"/>
-        <FIELD NAME="scale" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="approval" NEXT="assessed"/>
-        <FIELD NAME="assessed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="scale" NEXT="defaultsort"/>
-        <FIELD NAME="defaultsort" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assessed" NEXT="defaultsortdir"/>
-        <FIELD NAME="defaultsortdir" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="defaultsort" NEXT="editany"/>
-        <FIELD NAME="editany" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="defaultsortdir" NEXT="notification"/>
-        <FIELD NAME="notification" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Notify people when things change" PREVIOUS="editany"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="intro" NEXT="comments"/>
+        <FIELD NAME="comments" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="introformat" NEXT="timeavailablefrom"/>
+        <FIELD NAME="timeavailablefrom" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="comments" NEXT="timeavailableto"/>
+        <FIELD NAME="timeavailableto" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeavailablefrom" NEXT="timeviewfrom"/>
+        <FIELD NAME="timeviewfrom" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeavailableto" NEXT="timeviewto"/>
+        <FIELD NAME="timeviewto" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeviewfrom" NEXT="requiredentries"/>
+        <FIELD NAME="requiredentries" TYPE="int" LENGTH="8" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeviewto" NEXT="requiredentriestoview"/>
+        <FIELD NAME="requiredentriestoview" TYPE="int" LENGTH="8" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="requiredentries" NEXT="maxentries"/>
+        <FIELD NAME="maxentries" TYPE="int" LENGTH="8" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="requiredentriestoview" NEXT="rssarticles"/>
+        <FIELD NAME="rssarticles" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="maxentries" NEXT="singletemplate"/>
+        <FIELD NAME="singletemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="rssarticles" NEXT="listtemplate"/>
+        <FIELD NAME="listtemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="singletemplate" NEXT="listtemplateheader"/>
+        <FIELD NAME="listtemplateheader" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="listtemplate" NEXT="listtemplatefooter"/>
+        <FIELD NAME="listtemplatefooter" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="listtemplateheader" NEXT="addtemplate"/>
+        <FIELD NAME="addtemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="listtemplatefooter" NEXT="rsstemplate"/>
+        <FIELD NAME="rsstemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="addtemplate" NEXT="rsstitletemplate"/>
+        <FIELD NAME="rsstitletemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="rsstemplate" NEXT="csstemplate"/>
+        <FIELD NAME="csstemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="rsstitletemplate" NEXT="jstemplate"/>
+        <FIELD NAME="jstemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="csstemplate" NEXT="asearchtemplate"/>
+        <FIELD NAME="asearchtemplate" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="jstemplate" NEXT="approval"/>
+        <FIELD NAME="approval" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="asearchtemplate" NEXT="scale"/>
+        <FIELD NAME="scale" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="approval" NEXT="assessed"/>
+        <FIELD NAME="assessed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="scale" NEXT="defaultsort"/>
+        <FIELD NAME="defaultsort" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="assessed" NEXT="defaultsortdir"/>
+        <FIELD NAME="defaultsortdir" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="defaultsort" NEXT="editany"/>
+        <FIELD NAME="editany" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="defaultsortdir" NEXT="notification"/>
+        <FIELD NAME="notification" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Notify people when things change" PREVIOUS="editany"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -47,21 +47,21 @@
     </TABLE>
     <TABLE NAME="data_fields" COMMENT="every field available" PREVIOUS="data" NEXT="data_records">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="dataid"/>
-        <FIELD NAME="dataid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="type"/>
-        <FIELD NAME="type" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="dataid" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="type" NEXT="description"/>
-        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="param1"/>
-        <FIELD NAME="param1" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="description" NEXT="param2"/>
-        <FIELD NAME="param2" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="param1" NEXT="param3"/>
-        <FIELD NAME="param3" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="param2" NEXT="param4"/>
-        <FIELD NAME="param4" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="param3" NEXT="param5"/>
-        <FIELD NAME="param5" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="param4" NEXT="param6"/>
-        <FIELD NAME="param6" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="param5" NEXT="param7"/>
-        <FIELD NAME="param7" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="param6" NEXT="param8"/>
-        <FIELD NAME="param8" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="param7" NEXT="param9"/>
-        <FIELD NAME="param9" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="param8" NEXT="param10"/>
-        <FIELD NAME="param10" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="param9"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="dataid"/>
+        <FIELD NAME="dataid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="type"/>
+        <FIELD NAME="type" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="dataid" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="type" NEXT="description"/>
+        <FIELD NAME="description" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="param1"/>
+        <FIELD NAME="param1" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="description" NEXT="param2"/>
+        <FIELD NAME="param2" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="param1" NEXT="param3"/>
+        <FIELD NAME="param3" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="param2" NEXT="param4"/>
+        <FIELD NAME="param4" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="param3" NEXT="param5"/>
+        <FIELD NAME="param5" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="param4" NEXT="param6"/>
+        <FIELD NAME="param6" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="param5" NEXT="param7"/>
+        <FIELD NAME="param7" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="param6" NEXT="param8"/>
+        <FIELD NAME="param8" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="param7" NEXT="param9"/>
+        <FIELD NAME="param9" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="param8" NEXT="param10"/>
+        <FIELD NAME="param10" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="param9"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="dataid"/>
@@ -73,13 +73,13 @@
     </TABLE>
     <TABLE NAME="data_records" COMMENT="every record introduced" PREVIOUS="data_fields" NEXT="data_content">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="dataid"/>
-        <FIELD NAME="dataid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="dataid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="approved"/>
-        <FIELD NAME="approved" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="dataid"/>
+        <FIELD NAME="dataid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="groupid" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="dataid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated" NEXT="approved"/>
+        <FIELD NAME="approved" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="dataid"/>
@@ -88,14 +88,14 @@
     </TABLE>
     <TABLE NAME="data_content" COMMENT="the content introduced in each record/fields" PREVIOUS="data_records" NEXT="data_comments">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="fieldid"/>
-        <FIELD NAME="fieldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="recordid"/>
-        <FIELD NAME="recordid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="fieldid" NEXT="content"/>
-        <FIELD NAME="content" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="recordid" NEXT="content1"/>
-        <FIELD NAME="content1" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="content" NEXT="content2"/>
-        <FIELD NAME="content2" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="content1" NEXT="content3"/>
-        <FIELD NAME="content3" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="content2" NEXT="content4"/>
-        <FIELD NAME="content4" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="content3"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="fieldid"/>
+        <FIELD NAME="fieldid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="recordid"/>
+        <FIELD NAME="recordid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="fieldid" NEXT="content"/>
+        <FIELD NAME="content" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" PREVIOUS="recordid" NEXT="content1"/>
+        <FIELD NAME="content1" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" PREVIOUS="content" NEXT="content2"/>
+        <FIELD NAME="content2" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" PREVIOUS="content1" NEXT="content3"/>
+        <FIELD NAME="content3" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" PREVIOUS="content2" NEXT="content4"/>
+        <FIELD NAME="content4" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" PREVIOUS="content3"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="recordid"/>
@@ -105,13 +105,13 @@
     </TABLE>
     <TABLE NAME="data_comments" COMMENT="to comment data records" PREVIOUS="data_content" NEXT="data_ratings">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="recordid"/>
-        <FIELD NAME="recordid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="content"/>
-        <FIELD NAME="content" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="recordid" NEXT="format"/>
-        <FIELD NAME="format" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="content" NEXT="created"/>
-        <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="format" NEXT="modified"/>
-        <FIELD NAME="modified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="created"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="recordid"/>
+        <FIELD NAME="recordid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="content"/>
+        <FIELD NAME="content" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="recordid" NEXT="format"/>
+        <FIELD NAME="format" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="content" NEXT="created"/>
+        <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="format" NEXT="modified"/>
+        <FIELD NAME="modified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="created"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="recordid"/>
@@ -120,10 +120,10 @@
     </TABLE>
     <TABLE NAME="data_ratings" COMMENT="to rate data records" PREVIOUS="data_comments">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="recordid"/>
-        <FIELD NAME="recordid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="rating"/>
-        <FIELD NAME="rating" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="recordid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="recordid"/>
+        <FIELD NAME="recordid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="rating"/>
+        <FIELD NAME="rating" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="recordid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="recordid"/>
diff --git a/mod/feedback/db/install.xml b/mod/feedback/db/install.xml
index ec3c24a378..6163a7ae6c 100644
--- a/mod/feedback/db/install.xml
+++ b/mod/feedback/db/install.xml
@@ -6,21 +6,21 @@
   <TABLES>
     <TABLE NAME="feedback" COMMENT="all feedbacks" NEXT="feedback_template">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="anonymous"/>
-        <FIELD NAME="anonymous" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="introformat" NEXT="email_notification"/>
-        <FIELD NAME="email_notification" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="anonymous" NEXT="multiple_submit"/>
-        <FIELD NAME="multiple_submit" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="email_notification" NEXT="autonumbering"/>
-        <FIELD NAME="autonumbering" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="multiple_submit" NEXT="site_after_submit"/>
-        <FIELD NAME="site_after_submit" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="autonumbering" NEXT="page_after_submit"/>
-        <FIELD NAME="page_after_submit" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="site_after_submit" NEXT="publish_stats"/>
-        <FIELD NAME="publish_stats" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="page_after_submit" NEXT="timeopen"/>
-        <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="publish_stats" NEXT="timeclose"/>
-        <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeopen" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeclose"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="intro" NEXT="anonymous"/>
+        <FIELD NAME="anonymous" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="introformat" NEXT="email_notification"/>
+        <FIELD NAME="email_notification" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="anonymous" NEXT="multiple_submit"/>
+        <FIELD NAME="multiple_submit" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="email_notification" NEXT="autonumbering"/>
+        <FIELD NAME="autonumbering" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="multiple_submit" NEXT="site_after_submit"/>
+        <FIELD NAME="site_after_submit" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="autonumbering" NEXT="page_after_submit"/>
+        <FIELD NAME="page_after_submit" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="site_after_submit" NEXT="publish_stats"/>
+        <FIELD NAME="publish_stats" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="page_after_submit" NEXT="timeopen"/>
+        <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="publish_stats" NEXT="timeclose"/>
+        <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeopen" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeclose"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for feedback"/>
@@ -31,10 +31,10 @@
     </TABLE>
     <TABLE NAME="feedback_template" COMMENT="templates of feedbackstructures" PREVIOUS="feedback" NEXT="feedback_item">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="ispublic"/>
-        <FIELD NAME="ispublic" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="ispublic"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="ispublic"/>
+        <FIELD NAME="ispublic" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="course" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="ispublic"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for feedback_template"/>
@@ -45,16 +45,16 @@
     </TABLE>
     <TABLE NAME="feedback_item" COMMENT="feedback_items" PREVIOUS="feedback_template" NEXT="feedback_completed">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="feedback"/>
-        <FIELD NAME="feedback" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="template"/>
-        <FIELD NAME="template" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="feedback" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="template" NEXT="label"/>
-        <FIELD NAME="label" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="presentation"/>
-        <FIELD NAME="presentation" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="label" NEXT="typ"/>
-        <FIELD NAME="typ" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="presentation" NEXT="hasvalue"/>
-        <FIELD NAME="hasvalue" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="typ" NEXT="position"/>
-        <FIELD NAME="position" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hasvalue" NEXT="required"/>
-        <FIELD NAME="required" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="position"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="feedback"/>
+        <FIELD NAME="feedback" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="template"/>
+        <FIELD NAME="template" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="feedback" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="template" NEXT="label"/>
+        <FIELD NAME="label" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="presentation"/>
+        <FIELD NAME="presentation" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="label" NEXT="typ"/>
+        <FIELD NAME="typ" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="presentation" NEXT="hasvalue"/>
+        <FIELD NAME="hasvalue" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="typ" NEXT="position"/>
+        <FIELD NAME="position" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="hasvalue" NEXT="required"/>
+        <FIELD NAME="required" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="position"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for feedback_item" NEXT="feedback"/>
@@ -64,12 +64,12 @@
     </TABLE>
     <TABLE NAME="feedback_completed" COMMENT="filled out feedback" PREVIOUS="feedback_item" NEXT="feedback_completedtmp">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="feedback"/>
-        <FIELD NAME="feedback" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="feedback" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="random_response"/>
-        <FIELD NAME="random_response" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="anonymous_response"/>
-        <FIELD NAME="anonymous_response" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="random_response"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="feedback"/>
+        <FIELD NAME="feedback" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="feedback" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="random_response"/>
+        <FIELD NAME="random_response" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified" NEXT="anonymous_response"/>
+        <FIELD NAME="anonymous_response" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="random_response"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for feedback_completed" NEXT="feedback"/>
@@ -81,13 +81,13 @@
     </TABLE>
     <TABLE NAME="feedback_completedtmp" COMMENT="filled out feedback" PREVIOUS="feedback_completed" NEXT="feedback_value">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="feedback"/>
-        <FIELD NAME="feedback" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="feedback" NEXT="guestid"/>
-        <FIELD NAME="guestid" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="guestid" NEXT="random_response"/>
-        <FIELD NAME="random_response" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="anonymous_response"/>
-        <FIELD NAME="anonymous_response" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="random_response"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="feedback"/>
+        <FIELD NAME="feedback" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="feedback" NEXT="guestid"/>
+        <FIELD NAME="guestid" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="guestid" NEXT="random_response"/>
+        <FIELD NAME="random_response" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified" NEXT="anonymous_response"/>
+        <FIELD NAME="anonymous_response" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="random_response"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for feedback_completedtmp" NEXT="feedback"/>
@@ -99,12 +99,12 @@
     </TABLE>
     <TABLE NAME="feedback_value" COMMENT="values of the completeds" PREVIOUS="feedback_completedtmp" NEXT="feedback_valuetmp">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course_id"/>
-        <FIELD NAME="course_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="item"/>
-        <FIELD NAME="item" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course_id" NEXT="completed"/>
-        <FIELD NAME="completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="item" NEXT="tmp_completed"/>
-        <FIELD NAME="tmp_completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="completed" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="tmp_completed"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course_id"/>
+        <FIELD NAME="course_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="item"/>
+        <FIELD NAME="item" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="course_id" NEXT="completed"/>
+        <FIELD NAME="completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="item" NEXT="tmp_completed"/>
+        <FIELD NAME="tmp_completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="completed" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="tmp_completed"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for feedback_value" NEXT="item"/>
@@ -116,12 +116,12 @@
     </TABLE>
     <TABLE NAME="feedback_valuetmp" COMMENT="values of the completedstmp" PREVIOUS="feedback_value" NEXT="feedback_tracking">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course_id"/>
-        <FIELD NAME="course_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="item"/>
-        <FIELD NAME="item" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course_id" NEXT="completed"/>
-        <FIELD NAME="completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="item" NEXT="tmp_completed"/>
-        <FIELD NAME="tmp_completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="completed" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="tmp_completed"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course_id"/>
+        <FIELD NAME="course_id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="item"/>
+        <FIELD NAME="item" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="course_id" NEXT="completed"/>
+        <FIELD NAME="completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="item" NEXT="tmp_completed"/>
+        <FIELD NAME="tmp_completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="completed" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="tmp_completed"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for feedback_valuetmp" NEXT="item"/>
@@ -133,11 +133,11 @@
     </TABLE>
     <TABLE NAME="feedback_tracking" COMMENT="feedback trackingdata" PREVIOUS="feedback_valuetmp" NEXT="feedback_sitecourse_map">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="feedback"/>
-        <FIELD NAME="feedback" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="completed"/>
-        <FIELD NAME="completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="feedback" NEXT="tmp_completed"/>
-        <FIELD NAME="tmp_completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="completed"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="feedback"/>
+        <FIELD NAME="feedback" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="completed"/>
+        <FIELD NAME="completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="feedback" NEXT="tmp_completed"/>
+        <FIELD NAME="tmp_completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="completed"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for feedback_tracking" NEXT="feedback"/>
@@ -150,9 +150,9 @@
     </TABLE>
     <TABLE NAME="feedback_sitecourse_map" COMMENT="feedback sitecourse map" PREVIOUS="feedback_tracking">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="feedbackid"/>
-        <FIELD NAME="feedbackid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="courseid"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="feedbackid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="feedbackid"/>
+        <FIELD NAME="feedbackid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="courseid"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="feedbackid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for feedback_tracking" NEXT="feedbackid"/>
diff --git a/mod/forum/db/install.xml b/mod/forum/db/install.xml
index 29d53f62e3..abef6b11b6 100644
--- a/mod/forum/db/install.xml
+++ b/mod/forum/db/install.xml
@@ -6,29 +6,29 @@
   <TABLES>
     <TABLE NAME="forum" COMMENT="Forums contain and structure discussion" NEXT="forum_discussions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="type"/>
-        <FIELD NAME="type" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="general" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="type" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="text format of intro field" PREVIOUS="intro" NEXT="assessed"/>
-        <FIELD NAME="assessed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="introformat" NEXT="assesstimestart"/>
-        <FIELD NAME="assesstimestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assessed" NEXT="assesstimefinish"/>
-        <FIELD NAME="assesstimefinish" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assesstimestart" NEXT="scale"/>
-        <FIELD NAME="scale" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assesstimefinish" NEXT="maxbytes"/>
-        <FIELD NAME="maxbytes" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="scale" NEXT="maxattachments"/>
-        <FIELD NAME="maxattachments" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" COMMENT="Number of attachments allowed per post" PREVIOUS="maxbytes" NEXT="forcesubscribe"/>
-        <FIELD NAME="forcesubscribe" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="maxattachments" NEXT="trackingtype"/>
-        <FIELD NAME="trackingtype" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="forcesubscribe" NEXT="rsstype"/>
-        <FIELD NAME="rsstype" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="trackingtype" NEXT="rssarticles"/>
-        <FIELD NAME="rssarticles" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="rsstype" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="rssarticles" NEXT="warnafter"/>
-        <FIELD NAME="warnafter" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="blockafter"/>
-        <FIELD NAME="blockafter" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="warnafter" NEXT="blockperiod"/>
-        <FIELD NAME="blockperiod" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="blockafter" NEXT="completiondiscussions"/>
-        <FIELD NAME="completiondiscussions" TYPE="int" LENGTH="9" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Nonzero if a certain number of posts are required to mark this forum completed for a user." PREVIOUS="blockperiod" NEXT="completionreplies"/>
-        <FIELD NAME="completionreplies" TYPE="int" LENGTH="9" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Nonzero if a certain number of replies are required to mark this forum complete for a user." PREVIOUS="completiondiscussions" NEXT="completionposts"/>
-        <FIELD NAME="completionposts" TYPE="int" LENGTH="9" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Nonzero if a certain number of posts or replies (total) are required to mark this forum complete for a user." PREVIOUS="completionreplies"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="type"/>
+        <FIELD NAME="type" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="general" SEQUENCE="false" PREVIOUS="course" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="type" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="text format of intro field" PREVIOUS="intro" NEXT="assessed"/>
+        <FIELD NAME="assessed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="introformat" NEXT="assesstimestart"/>
+        <FIELD NAME="assesstimestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="assessed" NEXT="assesstimefinish"/>
+        <FIELD NAME="assesstimefinish" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="assesstimestart" NEXT="scale"/>
+        <FIELD NAME="scale" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="assesstimefinish" NEXT="maxbytes"/>
+        <FIELD NAME="maxbytes" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="scale" NEXT="maxattachments"/>
+        <FIELD NAME="maxattachments" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" COMMENT="Number of attachments allowed per post" PREVIOUS="maxbytes" NEXT="forcesubscribe"/>
+        <FIELD NAME="forcesubscribe" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="maxattachments" NEXT="trackingtype"/>
+        <FIELD NAME="trackingtype" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="forcesubscribe" NEXT="rsstype"/>
+        <FIELD NAME="rsstype" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="trackingtype" NEXT="rssarticles"/>
+        <FIELD NAME="rssarticles" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="rsstype" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="rssarticles" NEXT="warnafter"/>
+        <FIELD NAME="warnafter" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified" NEXT="blockafter"/>
+        <FIELD NAME="blockafter" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="warnafter" NEXT="blockperiod"/>
+        <FIELD NAME="blockperiod" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="blockafter" NEXT="completiondiscussions"/>
+        <FIELD NAME="completiondiscussions" TYPE="int" LENGTH="9" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Nonzero if a certain number of posts are required to mark this forum completed for a user." PREVIOUS="blockperiod" NEXT="completionreplies"/>
+        <FIELD NAME="completionreplies" TYPE="int" LENGTH="9" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Nonzero if a certain number of replies are required to mark this forum complete for a user." PREVIOUS="completiondiscussions" NEXT="completionposts"/>
+        <FIELD NAME="completionposts" TYPE="int" LENGTH="9" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Nonzero if a certain number of posts or replies (total) are required to mark this forum complete for a user." PREVIOUS="completionreplies"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -39,18 +39,18 @@
     </TABLE>
     <TABLE NAME="forum_discussions" COMMENT="Forums are composed of discussions" PREVIOUS="forum" NEXT="forum_posts">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="forum"/>
-        <FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="forum" NEXT="firstpost"/>
-        <FIELD NAME="firstpost" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="firstpost" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="-1" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="assessed"/>
-        <FIELD NAME="assessed" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assessed" NEXT="usermodified"/>
-        <FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="timestart"/>
-        <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="usermodified" NEXT="timeend"/>
-        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timestart"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="forum"/>
+        <FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="course" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="forum" NEXT="firstpost"/>
+        <FIELD NAME="firstpost" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="name" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="firstpost" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="-1" SEQUENCE="false" PREVIOUS="userid" NEXT="assessed"/>
+        <FIELD NAME="assessed" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="groupid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="assessed" NEXT="usermodified"/>
+        <FIELD NAME="usermodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified" NEXT="timestart"/>
+        <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="usermodified" NEXT="timeend"/>
+        <FIELD NAME="timeend" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timestart"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="forum"/>
@@ -62,20 +62,20 @@
     </TABLE>
     <TABLE NAME="forum_posts" COMMENT="All posts are stored in this table" PREVIOUS="forum_discussions" NEXT="forum_queue">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="discussion"/>
-        <FIELD NAME="discussion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="parent"/>
-        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="discussion" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="parent" NEXT="created"/>
-        <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="modified"/>
-        <FIELD NAME="modified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="created" NEXT="mailed"/>
-        <FIELD NAME="mailed" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="modified" NEXT="subject"/>
-        <FIELD NAME="subject" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="mailed" NEXT="message"/>
-        <FIELD NAME="message" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="subject" NEXT="messageformat"/>
-        <FIELD NAME="messageformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="message" NEXT="messagetrust"/>
-        <FIELD NAME="messagetrust" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="messageformat" NEXT="attachment"/>
-        <FIELD NAME="attachment" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="messagetrust" NEXT="totalscore"/>
-        <FIELD NAME="totalscore" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attachment" NEXT="mailnow"/>
-        <FIELD NAME="mailnow" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="totalscore"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="discussion"/>
+        <FIELD NAME="discussion" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="parent"/>
+        <FIELD NAME="parent" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="discussion" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="parent" NEXT="created"/>
+        <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="modified"/>
+        <FIELD NAME="modified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="created" NEXT="mailed"/>
+        <FIELD NAME="mailed" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="modified" NEXT="subject"/>
+        <FIELD NAME="subject" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="mailed" NEXT="message"/>
+        <FIELD NAME="message" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="subject" NEXT="messageformat"/>
+        <FIELD NAME="messageformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="message" NEXT="messagetrust"/>
+        <FIELD NAME="messagetrust" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="messageformat" NEXT="attachment"/>
+        <FIELD NAME="attachment" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="messagetrust" NEXT="totalscore"/>
+        <FIELD NAME="totalscore" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="attachment" NEXT="mailnow"/>
+        <FIELD NAME="mailnow" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="totalscore"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="discussion"/>
@@ -90,11 +90,11 @@
     </TABLE>
     <TABLE NAME="forum_queue" COMMENT="For keeping track of posts that will be mailed in digest form" PREVIOUS="forum_posts" NEXT="forum_ratings">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="discussionid"/>
-        <FIELD NAME="discussionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="postid"/>
-        <FIELD NAME="postid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="discussionid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="The modified time of the original post" PREVIOUS="postid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="discussionid"/>
+        <FIELD NAME="discussionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="postid"/>
+        <FIELD NAME="postid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="discussionid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="The modified time of the original post" PREVIOUS="postid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="discussionid"/>
@@ -107,11 +107,11 @@
     </TABLE>
     <TABLE NAME="forum_ratings" COMMENT="forum_ratings table retrofitted from MySQL" PREVIOUS="forum_queue" NEXT="forum_subscriptions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="post"/>
-        <FIELD NAME="post" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="time"/>
-        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="post" NEXT="rating"/>
-        <FIELD NAME="rating" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="time"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="post"/>
+        <FIELD NAME="post" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="time"/>
+        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="post" NEXT="rating"/>
+        <FIELD NAME="rating" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="time"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="post"/>
@@ -123,9 +123,9 @@
     </TABLE>
     <TABLE NAME="forum_subscriptions" COMMENT="Keeps track of who is subscribed to what forum" PREVIOUS="forum_ratings" NEXT="forum_read">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="forum"/>
-        <FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="forum"/>
+        <FIELD NAME="forum" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="forum"/>
@@ -137,13 +137,13 @@
     </TABLE>
     <TABLE NAME="forum_read" COMMENT="Tracks each users read posts" PREVIOUS="forum_subscriptions" NEXT="forum_track_prefs">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="forumid"/>
-        <FIELD NAME="forumid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="discussionid"/>
-        <FIELD NAME="discussionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="forumid" NEXT="postid"/>
-        <FIELD NAME="postid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="discussionid" NEXT="firstread"/>
-        <FIELD NAME="firstread" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="postid" NEXT="lastread"/>
-        <FIELD NAME="lastread" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="firstread"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="forumid"/>
+        <FIELD NAME="forumid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="discussionid"/>
+        <FIELD NAME="discussionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="forumid" NEXT="postid"/>
+        <FIELD NAME="postid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="discussionid" NEXT="firstread"/>
+        <FIELD NAME="firstread" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="postid" NEXT="lastread"/>
+        <FIELD NAME="lastread" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="firstread"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -156,9 +156,9 @@
     </TABLE>
     <TABLE NAME="forum_track_prefs" COMMENT="Tracks each users untracked forums" PREVIOUS="forum_read">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="forumid"/>
-        <FIELD NAME="forumid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="forumid"/>
+        <FIELD NAME="forumid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
diff --git a/mod/glossary/db/install.xml b/mod/glossary/db/install.xml
index 33ddc39055..00e063465c 100644
--- a/mod/glossary/db/install.xml
+++ b/mod/glossary/db/install.xml
@@ -6,32 +6,32 @@
   <TABLES>
     <TABLE NAME="glossary" COMMENT="all glossaries" NEXT="glossary_entries">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="allowduplicatedentries"/>
-        <FIELD NAME="allowduplicatedentries" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="introformat" NEXT="displayformat"/>
-        <FIELD NAME="displayformat" TYPE="char" LENGTH="50" NOTNULL="true" DEFAULT="dictionary" SEQUENCE="false" ENUM="false" PREVIOUS="allowduplicatedentries" NEXT="mainglossary"/>
-        <FIELD NAME="mainglossary" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="displayformat" NEXT="showspecial"/>
-        <FIELD NAME="showspecial" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="mainglossary" NEXT="showalphabet"/>
-        <FIELD NAME="showalphabet" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="showspecial" NEXT="showall"/>
-        <FIELD NAME="showall" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="showalphabet" NEXT="allowcomments"/>
-        <FIELD NAME="allowcomments" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="showall" NEXT="allowprintview"/>
-        <FIELD NAME="allowprintview" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="allowcomments" NEXT="usedynalink"/>
-        <FIELD NAME="usedynalink" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="allowprintview" NEXT="defaultapproval"/>
-        <FIELD NAME="defaultapproval" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="usedynalink" NEXT="globalglossary"/>
-        <FIELD NAME="globalglossary" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="defaultapproval" NEXT="entbypage"/>
-        <FIELD NAME="entbypage" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="10" SEQUENCE="false" ENUM="false" PREVIOUS="globalglossary" NEXT="editalways"/>
-        <FIELD NAME="editalways" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="entbypage" NEXT="rsstype"/>
-        <FIELD NAME="rsstype" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="editalways" NEXT="rssarticles"/>
-        <FIELD NAME="rssarticles" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="rsstype" NEXT="assessed"/>
-        <FIELD NAME="assessed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="rssarticles" NEXT="assesstimestart"/>
-        <FIELD NAME="assesstimestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assessed" NEXT="assesstimefinish"/>
-        <FIELD NAME="assesstimefinish" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assesstimestart" NEXT="scale"/>
-        <FIELD NAME="scale" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assesstimefinish" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="scale" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="intro" NEXT="allowduplicatedentries"/>
+        <FIELD NAME="allowduplicatedentries" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="introformat" NEXT="displayformat"/>
+        <FIELD NAME="displayformat" TYPE="char" LENGTH="50" NOTNULL="true" DEFAULT="dictionary" SEQUENCE="false" PREVIOUS="allowduplicatedentries" NEXT="mainglossary"/>
+        <FIELD NAME="mainglossary" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="displayformat" NEXT="showspecial"/>
+        <FIELD NAME="showspecial" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="mainglossary" NEXT="showalphabet"/>
+        <FIELD NAME="showalphabet" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="showspecial" NEXT="showall"/>
+        <FIELD NAME="showall" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="showalphabet" NEXT="allowcomments"/>
+        <FIELD NAME="allowcomments" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="showall" NEXT="allowprintview"/>
+        <FIELD NAME="allowprintview" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="allowcomments" NEXT="usedynalink"/>
+        <FIELD NAME="usedynalink" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="allowprintview" NEXT="defaultapproval"/>
+        <FIELD NAME="defaultapproval" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="usedynalink" NEXT="globalglossary"/>
+        <FIELD NAME="globalglossary" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="defaultapproval" NEXT="entbypage"/>
+        <FIELD NAME="entbypage" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="10" SEQUENCE="false" PREVIOUS="globalglossary" NEXT="editalways"/>
+        <FIELD NAME="editalways" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="entbypage" NEXT="rsstype"/>
+        <FIELD NAME="rsstype" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="editalways" NEXT="rssarticles"/>
+        <FIELD NAME="rssarticles" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="rsstype" NEXT="assessed"/>
+        <FIELD NAME="assessed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="rssarticles" NEXT="assesstimestart"/>
+        <FIELD NAME="assesstimestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="assessed" NEXT="assesstimefinish"/>
+        <FIELD NAME="assesstimefinish" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="assesstimestart" NEXT="scale"/>
+        <FIELD NAME="scale" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="assesstimefinish" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="scale" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -42,22 +42,22 @@
     </TABLE>
     <TABLE NAME="glossary_entries" COMMENT="all glossary entries" PREVIOUS="glossary" NEXT="glossary_alias">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="glossaryid"/>
-        <FIELD NAME="glossaryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="glossaryid" NEXT="concept"/>
-        <FIELD NAME="concept" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="definition"/>
-        <FIELD NAME="definition" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="concept" NEXT="definitionformat"/>
-        <FIELD NAME="definitionformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="definition" NEXT="definitiontrust"/>
-        <FIELD NAME="definitiontrust" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="definitionformat" NEXT="attachment"/>
-        <FIELD NAME="attachment" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="definitiontrust" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attachment" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="teacherentry"/>
-        <FIELD NAME="teacherentry" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="sourceglossaryid"/>
-        <FIELD NAME="sourceglossaryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="teacherentry" NEXT="usedynalink"/>
-        <FIELD NAME="usedynalink" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="sourceglossaryid" NEXT="casesensitive"/>
-        <FIELD NAME="casesensitive" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="usedynalink" NEXT="fullmatch"/>
-        <FIELD NAME="fullmatch" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="casesensitive" NEXT="approved"/>
-        <FIELD NAME="approved" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="fullmatch"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="glossaryid"/>
+        <FIELD NAME="glossaryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="glossaryid" NEXT="concept"/>
+        <FIELD NAME="concept" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="definition"/>
+        <FIELD NAME="definition" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="concept" NEXT="definitionformat"/>
+        <FIELD NAME="definitionformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="definition" NEXT="definitiontrust"/>
+        <FIELD NAME="definitiontrust" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="definitionformat" NEXT="attachment"/>
+        <FIELD NAME="attachment" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="definitiontrust" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="attachment" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated" NEXT="teacherentry"/>
+        <FIELD NAME="teacherentry" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timemodified" NEXT="sourceglossaryid"/>
+        <FIELD NAME="sourceglossaryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="teacherentry" NEXT="usedynalink"/>
+        <FIELD NAME="usedynalink" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="sourceglossaryid" NEXT="casesensitive"/>
+        <FIELD NAME="casesensitive" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="usedynalink" NEXT="fullmatch"/>
+        <FIELD NAME="fullmatch" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="casesensitive" NEXT="approved"/>
+        <FIELD NAME="approved" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="fullmatch"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="glossaryid"/>
@@ -70,9 +70,9 @@
     </TABLE>
     <TABLE NAME="glossary_alias" COMMENT="entries alias" PREVIOUS="glossary_entries" NEXT="glossary_categories">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="entryid"/>
-        <FIELD NAME="entryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="alias"/>
-        <FIELD NAME="alias" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="entryid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="entryid"/>
+        <FIELD NAME="entryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="alias"/>
+        <FIELD NAME="alias" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="entryid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="entryid"/>
@@ -81,10 +81,10 @@
     </TABLE>
     <TABLE NAME="glossary_categories" COMMENT="all categories for glossary entries" PREVIOUS="glossary_alias" NEXT="glossary_entries_categories">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="glossaryid"/>
-        <FIELD NAME="glossaryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="glossaryid" NEXT="usedynalink"/>
-        <FIELD NAME="usedynalink" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="glossaryid"/>
+        <FIELD NAME="glossaryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="glossaryid" NEXT="usedynalink"/>
+        <FIELD NAME="usedynalink" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="glossaryid"/>
@@ -93,9 +93,9 @@
     </TABLE>
     <TABLE NAME="glossary_entries_categories" COMMENT="categories of each glossary entry" PREVIOUS="glossary_categories" NEXT="glossary_comments">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="categoryid"/>
-        <FIELD NAME="categoryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="entryid"/>
-        <FIELD NAME="entryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="categoryid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="categoryid"/>
+        <FIELD NAME="categoryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="entryid"/>
+        <FIELD NAME="entryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="categoryid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="categoryid"/>
@@ -105,13 +105,13 @@
     </TABLE>
     <TABLE NAME="glossary_comments" COMMENT="comments on glossary entries" PREVIOUS="glossary_entries_categories" NEXT="glossary_formats">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="entryid"/>
-        <FIELD NAME="entryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="entryid" NEXT="entrycomment"/>
-        <FIELD NAME="entrycomment" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="entrycommentformat"/>
-        <FIELD NAME="entrycommentformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="entrycomment" NEXT="entrycommenttrust"/>
-        <FIELD NAME="entrycommenttrust" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="entrycommentformat" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="entrycommenttrust"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="entryid"/>
+        <FIELD NAME="entryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="entryid" NEXT="entrycomment"/>
+        <FIELD NAME="entrycomment" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="entrycommentformat"/>
+        <FIELD NAME="entrycommentformat" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="entrycomment" NEXT="entrycommenttrust"/>
+        <FIELD NAME="entrycommenttrust" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="entrycommentformat" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="entrycommenttrust"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="entryid"/>
@@ -123,15 +123,15 @@
     </TABLE>
     <TABLE NAME="glossary_formats" COMMENT="Setting of the display formats" PREVIOUS="glossary_comments" NEXT="glossary_ratings">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="popupformatname"/>
-        <FIELD NAME="popupformatname" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="visible"/>
-        <FIELD NAME="visible" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="popupformatname" NEXT="showgroup"/>
-        <FIELD NAME="showgroup" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="visible" NEXT="defaultmode"/>
-        <FIELD NAME="defaultmode" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="showgroup" NEXT="defaulthook"/>
-        <FIELD NAME="defaulthook" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="defaultmode" NEXT="sortkey"/>
-        <FIELD NAME="sortkey" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="defaulthook" NEXT="sortorder"/>
-        <FIELD NAME="sortorder" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="sortkey"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="popupformatname"/>
+        <FIELD NAME="popupformatname" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="visible"/>
+        <FIELD NAME="visible" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="popupformatname" NEXT="showgroup"/>
+        <FIELD NAME="showgroup" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="visible" NEXT="defaultmode"/>
+        <FIELD NAME="defaultmode" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="showgroup" NEXT="defaulthook"/>
+        <FIELD NAME="defaulthook" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="defaultmode" NEXT="sortkey"/>
+        <FIELD NAME="sortkey" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="defaulthook" NEXT="sortorder"/>
+        <FIELD NAME="sortorder" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="sortkey"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -139,11 +139,11 @@
     </TABLE>
     <TABLE NAME="glossary_ratings" COMMENT="Contains user ratings for entries" PREVIOUS="glossary_formats">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="entryid"/>
-        <FIELD NAME="entryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="time"/>
-        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="entryid" NEXT="rating"/>
-        <FIELD NAME="rating" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="time"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="entryid"/>
+        <FIELD NAME="entryid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="time"/>
+        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="entryid" NEXT="rating"/>
+        <FIELD NAME="rating" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="time"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="entryid"/>
diff --git a/mod/hotpot/db/install.xml b/mod/hotpot/db/install.xml
index 0412f93814..ce1b457d93 100644
--- a/mod/hotpot/db/install.xml
+++ b/mod/hotpot/db/install.xml
@@ -6,29 +6,29 @@
   <TABLES>
     <TABLE NAME="hotpot" COMMENT="details about Hot Potatoes quizzes" NEXT="hotpot_attempts">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="summary"/>
-        <FIELD NAME="summary" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="timeopen"/>
-        <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="summary" NEXT="timeclose"/>
-        <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeopen" NEXT="location"/>
-        <FIELD NAME="location" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeclose" NEXT="reference"/>
-        <FIELD NAME="reference" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="location" NEXT="outputformat"/>
-        <FIELD NAME="outputformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="reference" NEXT="navigation"/>
-        <FIELD NAME="navigation" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="outputformat" NEXT="studentfeedback"/>
-        <FIELD NAME="studentfeedback" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="navigation" NEXT="studentfeedbackurl"/>
-        <FIELD NAME="studentfeedbackurl" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="studentfeedback" NEXT="forceplugins"/>
-        <FIELD NAME="forceplugins" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="studentfeedbackurl" NEXT="shownextquiz"/>
-        <FIELD NAME="shownextquiz" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="forceplugins" NEXT="review"/>
-        <FIELD NAME="review" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="shownextquiz" NEXT="grade"/>
-        <FIELD NAME="grade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="review" NEXT="grademethod"/>
-        <FIELD NAME="grademethod" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="attempts"/>
-        <FIELD NAME="attempts" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grademethod" NEXT="password"/>
-        <FIELD NAME="password" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="attempts" NEXT="subnet"/>
-        <FIELD NAME="subnet" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="password" NEXT="clickreporting"/>
-        <FIELD NAME="clickreporting" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="subnet" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="clickreporting" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="summary"/>
+        <FIELD NAME="summary" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="timeopen"/>
+        <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="summary" NEXT="timeclose"/>
+        <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeopen" NEXT="location"/>
+        <FIELD NAME="location" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeclose" NEXT="reference"/>
+        <FIELD NAME="reference" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="location" NEXT="outputformat"/>
+        <FIELD NAME="outputformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="reference" NEXT="navigation"/>
+        <FIELD NAME="navigation" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="outputformat" NEXT="studentfeedback"/>
+        <FIELD NAME="studentfeedback" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="navigation" NEXT="studentfeedbackurl"/>
+        <FIELD NAME="studentfeedbackurl" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="studentfeedback" NEXT="forceplugins"/>
+        <FIELD NAME="forceplugins" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="studentfeedbackurl" NEXT="shownextquiz"/>
+        <FIELD NAME="shownextquiz" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="forceplugins" NEXT="review"/>
+        <FIELD NAME="review" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="shownextquiz" NEXT="grade"/>
+        <FIELD NAME="grade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="review" NEXT="grademethod"/>
+        <FIELD NAME="grademethod" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="grade" NEXT="attempts"/>
+        <FIELD NAME="attempts" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="grademethod" NEXT="password"/>
+        <FIELD NAME="password" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="attempts" NEXT="subnet"/>
+        <FIELD NAME="subnet" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="password" NEXT="clickreporting"/>
+        <FIELD NAME="clickreporting" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="subnet" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="clickreporting" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" />
@@ -36,18 +36,18 @@
     </TABLE>
     <TABLE NAME="hotpot_attempts" COMMENT="details about Hot Potatoes quiz attempts" PREVIOUS="hotpot" NEXT="hotpot_details">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="hotpot"/>
-        <FIELD NAME="hotpot" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hotpot" NEXT="starttime"/>
-        <FIELD NAME="starttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="endtime"/>
-        <FIELD NAME="endtime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="starttime" NEXT="score"/>
-        <FIELD NAME="score" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="endtime" NEXT="penalties"/>
-        <FIELD NAME="penalties" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="score" NEXT="attempt"/>
-        <FIELD NAME="attempt" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="penalties" NEXT="timestart"/>
-        <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attempt" NEXT="timefinish"/>
-        <FIELD NAME="timefinish" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timestart" NEXT="status"/>
-        <FIELD NAME="status" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="timefinish" NEXT="clickreportid"/>
-        <FIELD NAME="clickreportid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="status"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="hotpot"/>
+        <FIELD NAME="hotpot" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="hotpot" NEXT="starttime"/>
+        <FIELD NAME="starttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="endtime"/>
+        <FIELD NAME="endtime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="starttime" NEXT="score"/>
+        <FIELD NAME="score" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="endtime" NEXT="penalties"/>
+        <FIELD NAME="penalties" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="score" NEXT="attempt"/>
+        <FIELD NAME="attempt" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="penalties" NEXT="timestart"/>
+        <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="attempt" NEXT="timefinish"/>
+        <FIELD NAME="timefinish" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timestart" NEXT="status"/>
+        <FIELD NAME="status" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="timefinish" NEXT="clickreportid"/>
+        <FIELD NAME="clickreportid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="status"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="hotpot"/>
@@ -59,9 +59,9 @@
     </TABLE>
     <TABLE NAME="hotpot_details" COMMENT="raw details (as XML) of Hot Potatoes quiz attempts" PREVIOUS="hotpot_attempts" NEXT="hotpot_questions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attempt"/>
-        <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="details"/>
-        <FIELD NAME="details" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="attempt"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="attempt"/>
+        <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="details"/>
+        <FIELD NAME="details" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="attempt"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="attempt"/>
@@ -70,12 +70,12 @@
     </TABLE>
     <TABLE NAME="hotpot_questions" COMMENT="details about questions in Hot Potatoes quiz attempts" PREVIOUS="hotpot_details" NEXT="hotpot_responses">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="type"/>
-        <FIELD NAME="type" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="text"/>
-        <FIELD NAME="text" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="type" NEXT="hotpot"/>
-        <FIELD NAME="hotpot" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="text" NEXT="md5key"/>
-        <FIELD NAME="md5key" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="hotpot"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="type"/>
+        <FIELD NAME="type" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="name" NEXT="text"/>
+        <FIELD NAME="text" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="type" NEXT="hotpot"/>
+        <FIELD NAME="hotpot" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="text" NEXT="md5key"/>
+        <FIELD NAME="md5key" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" PREVIOUS="hotpot"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="hotpot"/>
@@ -87,17 +87,17 @@
     </TABLE>
     <TABLE NAME="hotpot_responses" COMMENT="details about responses in Hot Potatoes quiz attempts" PREVIOUS="hotpot_questions" NEXT="hotpot_strings">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="attempt"/>
-        <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="attempt" NEXT="score"/>
-        <FIELD NAME="score" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="weighting"/>
-        <FIELD NAME="weighting" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="score" NEXT="correct"/>
-        <FIELD NAME="correct" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="weighting" NEXT="wrong"/>
-        <FIELD NAME="wrong" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="correct" NEXT="ignored"/>
-        <FIELD NAME="ignored" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="wrong" NEXT="hints"/>
-        <FIELD NAME="hints" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="ignored" NEXT="clues"/>
-        <FIELD NAME="clues" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hints" NEXT="checks"/>
-        <FIELD NAME="checks" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="clues"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="attempt"/>
+        <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="attempt" NEXT="score"/>
+        <FIELD NAME="score" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="question" NEXT="weighting"/>
+        <FIELD NAME="weighting" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="score" NEXT="correct"/>
+        <FIELD NAME="correct" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="weighting" NEXT="wrong"/>
+        <FIELD NAME="wrong" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="correct" NEXT="ignored"/>
+        <FIELD NAME="ignored" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="wrong" NEXT="hints"/>
+        <FIELD NAME="hints" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="ignored" NEXT="clues"/>
+        <FIELD NAME="clues" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="hints" NEXT="checks"/>
+        <FIELD NAME="checks" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="clues"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="attempt"/>
@@ -107,9 +107,9 @@
     </TABLE>
     <TABLE NAME="hotpot_strings" COMMENT="strings used in Hot Potatoes questions and responses" PREVIOUS="hotpot_responses">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="string"/>
-        <FIELD NAME="string" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="md5key"/>
-        <FIELD NAME="md5key" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="string"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="string"/>
+        <FIELD NAME="string" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="md5key"/>
+        <FIELD NAME="md5key" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" PREVIOUS="string"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" />
diff --git a/mod/label/db/install.xml b/mod/label/db/install.xml
index ceb78d478b..2f6df76f94 100644
--- a/mod/label/db/install.xml
+++ b/mod/label/db/install.xml
@@ -6,12 +6,12 @@
   <TABLES>
     <TABLE NAME="label" COMMENT="Defines labels">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="false" UNSIGNED="true" DEFAULT="4" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="introformat"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="false" UNSIGNED="true" DEFAULT="4" SEQUENCE="false" PREVIOUS="intro" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="introformat"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
diff --git a/mod/lesson/db/install.xml b/mod/lesson/db/install.xml
index bd94f031e6..4b18fc038c 100644
--- a/mod/lesson/db/install.xml
+++ b/mod/lesson/db/install.xml
@@ -6,46 +6,46 @@
   <TABLES>
     <TABLE NAME="lesson" COMMENT="Defines lesson" NEXT="lesson_pages">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="practice"/>
-        <FIELD NAME="practice" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="modattempts"/>
-        <FIELD NAME="modattempts" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="practice" NEXT="usepassword"/>
-        <FIELD NAME="usepassword" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="modattempts" NEXT="password"/>
-        <FIELD NAME="password" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="usepassword" NEXT="dependency"/>
-        <FIELD NAME="dependency" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="password" NEXT="conditions"/>
-        <FIELD NAME="conditions" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="dependency" NEXT="grade"/>
-        <FIELD NAME="grade" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="conditions" NEXT="custom"/>
-        <FIELD NAME="custom" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="ongoing"/>
-        <FIELD NAME="ongoing" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="custom" NEXT="usemaxgrade"/>
-        <FIELD NAME="usemaxgrade" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="ongoing" NEXT="maxanswers"/>
-        <FIELD NAME="maxanswers" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="4" SEQUENCE="false" ENUM="false" PREVIOUS="usemaxgrade" NEXT="maxattempts"/>
-        <FIELD NAME="maxattempts" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="5" SEQUENCE="false" ENUM="false" PREVIOUS="maxanswers" NEXT="review"/>
-        <FIELD NAME="review" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="maxattempts" NEXT="nextpagedefault"/>
-        <FIELD NAME="nextpagedefault" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="review" NEXT="feedback"/>
-        <FIELD NAME="feedback" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="nextpagedefault" NEXT="minquestions"/>
-        <FIELD NAME="minquestions" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="feedback" NEXT="maxpages"/>
-        <FIELD NAME="maxpages" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="minquestions" NEXT="timed"/>
-        <FIELD NAME="timed" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="maxpages" NEXT="maxtime"/>
-        <FIELD NAME="maxtime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timed" NEXT="retake"/>
-        <FIELD NAME="retake" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="maxtime" NEXT="activitylink"/>
-        <FIELD NAME="activitylink" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="retake" NEXT="mediafile"/>
-        <FIELD NAME="mediafile" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="activitylink" NEXT="mediaheight"/>
-        <FIELD NAME="mediaheight" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="100" SEQUENCE="false" ENUM="false" PREVIOUS="mediafile" NEXT="mediawidth"/>
-        <FIELD NAME="mediawidth" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="650" SEQUENCE="false" ENUM="false" PREVIOUS="mediaheight" NEXT="mediaclose"/>
-        <FIELD NAME="mediaclose" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="mediawidth" NEXT="slideshow"/>
-        <FIELD NAME="slideshow" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="mediaclose" NEXT="width"/>
-        <FIELD NAME="width" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="640" SEQUENCE="false" ENUM="false" PREVIOUS="slideshow" NEXT="height"/>
-        <FIELD NAME="height" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="480" SEQUENCE="false" ENUM="false" PREVIOUS="width" NEXT="bgcolor"/>
-        <FIELD NAME="bgcolor" TYPE="char" LENGTH="7" NOTNULL="true" DEFAULT="#FFFFFF" SEQUENCE="false" ENUM="false" PREVIOUS="height" NEXT="displayleft"/>
-        <FIELD NAME="displayleft" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="bgcolor" NEXT="displayleftif"/>
-        <FIELD NAME="displayleftif" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="displayleft" NEXT="progressbar"/>
-        <FIELD NAME="progressbar" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="displayleftif" NEXT="highscores"/>
-        <FIELD NAME="highscores" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="progressbar" NEXT="maxhighscores"/>
-        <FIELD NAME="maxhighscores" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="highscores" NEXT="available"/>
-        <FIELD NAME="available" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="maxhighscores" NEXT="deadline"/>
-        <FIELD NAME="deadline" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="available" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="deadline"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="practice"/>
+        <FIELD NAME="practice" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="name" NEXT="modattempts"/>
+        <FIELD NAME="modattempts" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="practice" NEXT="usepassword"/>
+        <FIELD NAME="usepassword" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="modattempts" NEXT="password"/>
+        <FIELD NAME="password" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" PREVIOUS="usepassword" NEXT="dependency"/>
+        <FIELD NAME="dependency" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="password" NEXT="conditions"/>
+        <FIELD NAME="conditions" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="dependency" NEXT="grade"/>
+        <FIELD NAME="grade" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="conditions" NEXT="custom"/>
+        <FIELD NAME="custom" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="grade" NEXT="ongoing"/>
+        <FIELD NAME="ongoing" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="custom" NEXT="usemaxgrade"/>
+        <FIELD NAME="usemaxgrade" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="ongoing" NEXT="maxanswers"/>
+        <FIELD NAME="maxanswers" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="4" SEQUENCE="false" PREVIOUS="usemaxgrade" NEXT="maxattempts"/>
+        <FIELD NAME="maxattempts" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="5" SEQUENCE="false" PREVIOUS="maxanswers" NEXT="review"/>
+        <FIELD NAME="review" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="maxattempts" NEXT="nextpagedefault"/>
+        <FIELD NAME="nextpagedefault" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="review" NEXT="feedback"/>
+        <FIELD NAME="feedback" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="nextpagedefault" NEXT="minquestions"/>
+        <FIELD NAME="minquestions" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="feedback" NEXT="maxpages"/>
+        <FIELD NAME="maxpages" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="minquestions" NEXT="timed"/>
+        <FIELD NAME="timed" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="maxpages" NEXT="maxtime"/>
+        <FIELD NAME="maxtime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timed" NEXT="retake"/>
+        <FIELD NAME="retake" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="maxtime" NEXT="activitylink"/>
+        <FIELD NAME="activitylink" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="retake" NEXT="mediafile"/>
+        <FIELD NAME="mediafile" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="activitylink" NEXT="mediaheight"/>
+        <FIELD NAME="mediaheight" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="100" SEQUENCE="false" PREVIOUS="mediafile" NEXT="mediawidth"/>
+        <FIELD NAME="mediawidth" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="650" SEQUENCE="false" PREVIOUS="mediaheight" NEXT="mediaclose"/>
+        <FIELD NAME="mediaclose" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="mediawidth" NEXT="slideshow"/>
+        <FIELD NAME="slideshow" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="mediaclose" NEXT="width"/>
+        <FIELD NAME="width" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="640" SEQUENCE="false" PREVIOUS="slideshow" NEXT="height"/>
+        <FIELD NAME="height" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="480" SEQUENCE="false" PREVIOUS="width" NEXT="bgcolor"/>
+        <FIELD NAME="bgcolor" TYPE="char" LENGTH="7" NOTNULL="true" DEFAULT="#FFFFFF" SEQUENCE="false" PREVIOUS="height" NEXT="displayleft"/>
+        <FIELD NAME="displayleft" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="bgcolor" NEXT="displayleftif"/>
+        <FIELD NAME="displayleftif" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="displayleft" NEXT="progressbar"/>
+        <FIELD NAME="progressbar" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="displayleftif" NEXT="highscores"/>
+        <FIELD NAME="highscores" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="progressbar" NEXT="maxhighscores"/>
+        <FIELD NAME="maxhighscores" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="highscores" NEXT="available"/>
+        <FIELD NAME="available" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="maxhighscores" NEXT="deadline"/>
+        <FIELD NAME="deadline" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="available" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="deadline"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" />
@@ -56,18 +56,18 @@
     </TABLE>
     <TABLE NAME="lesson_pages" COMMENT="Defines lesson_pages" PREVIOUS="lesson" NEXT="lesson_answers">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="lessonid"/>
-        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="prevpageid"/>
-        <FIELD NAME="prevpageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lessonid" NEXT="nextpageid"/>
-        <FIELD NAME="nextpageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="prevpageid" NEXT="qtype"/>
-        <FIELD NAME="qtype" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="nextpageid" NEXT="qoption"/>
-        <FIELD NAME="qoption" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="qtype" NEXT="layout"/>
-        <FIELD NAME="layout" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="qoption" NEXT="display"/>
-        <FIELD NAME="display" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="layout" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="display" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="title"/>
-        <FIELD NAME="title" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="contents"/>
-        <FIELD NAME="contents" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="title"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="lessonid"/>
+        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="prevpageid"/>
+        <FIELD NAME="prevpageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lessonid" NEXT="nextpageid"/>
+        <FIELD NAME="nextpageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="prevpageid" NEXT="qtype"/>
+        <FIELD NAME="qtype" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="nextpageid" NEXT="qoption"/>
+        <FIELD NAME="qoption" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="qtype" NEXT="layout"/>
+        <FIELD NAME="layout" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="qoption" NEXT="display"/>
+        <FIELD NAME="display" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="layout" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="display" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated" NEXT="title"/>
+        <FIELD NAME="title" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="timemodified" NEXT="contents"/>
+        <FIELD NAME="contents" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="title"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="lessonid"/>
@@ -76,17 +76,17 @@
     </TABLE>
     <TABLE NAME="lesson_answers" COMMENT="Defines lesson_answers" PREVIOUS="lesson_pages" NEXT="lesson_attempts">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="lessonid"/>
-        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="pageid"/>
-        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lessonid" NEXT="jumpto"/>
-        <FIELD NAME="jumpto" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="pageid" NEXT="grade"/>
-        <FIELD NAME="grade" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="jumpto" NEXT="score"/>
-        <FIELD NAME="score" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="flags"/>
-        <FIELD NAME="flags" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="score" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="flags" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="answer"/>
-        <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="response"/>
-        <FIELD NAME="response" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="answer"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="lessonid"/>
+        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="pageid"/>
+        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lessonid" NEXT="jumpto"/>
+        <FIELD NAME="jumpto" TYPE="int" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="pageid" NEXT="grade"/>
+        <FIELD NAME="grade" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="jumpto" NEXT="score"/>
+        <FIELD NAME="score" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="grade" NEXT="flags"/>
+        <FIELD NAME="flags" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="score" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="flags" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated" NEXT="answer"/>
+        <FIELD NAME="answer" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="timemodified" NEXT="response"/>
+        <FIELD NAME="response" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="answer"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="lessonid"/>
@@ -96,15 +96,15 @@
     </TABLE>
     <TABLE NAME="lesson_attempts" COMMENT="Defines lesson_attempts" PREVIOUS="lesson_answers" NEXT="lesson_grades">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="lessonid"/>
-        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="pageid"/>
-        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lessonid" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="pageid" NEXT="answerid"/>
-        <FIELD NAME="answerid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="retry"/>
-        <FIELD NAME="retry" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="answerid" NEXT="correct"/>
-        <FIELD NAME="correct" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="retry" NEXT="useranswer"/>
-        <FIELD NAME="useranswer" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="correct" NEXT="timeseen"/>
-        <FIELD NAME="timeseen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="useranswer"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="lessonid"/>
+        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="pageid"/>
+        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lessonid" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="pageid" NEXT="answerid"/>
+        <FIELD NAME="answerid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="retry"/>
+        <FIELD NAME="retry" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="answerid" NEXT="correct"/>
+        <FIELD NAME="correct" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="retry" NEXT="useranswer"/>
+        <FIELD NAME="useranswer" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="correct" NEXT="timeseen"/>
+        <FIELD NAME="timeseen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="useranswer"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="lessonid"/>
@@ -118,12 +118,12 @@
     </TABLE>
     <TABLE NAME="lesson_grades" COMMENT="Defines lesson_grades" PREVIOUS="lesson_attempts" NEXT="lesson_default">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="lessonid"/>
-        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lessonid" NEXT="grade"/>
-        <FIELD NAME="grade" TYPE="float" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="late"/>
-        <FIELD NAME="late" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="completed"/>
-        <FIELD NAME="completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="late"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="lessonid"/>
+        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lessonid" NEXT="grade"/>
+        <FIELD NAME="grade" TYPE="float" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="late"/>
+        <FIELD NAME="late" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="grade" NEXT="completed"/>
+        <FIELD NAME="completed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="late"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="lessonid"/>
@@ -135,39 +135,39 @@
     </TABLE>
     <TABLE NAME="lesson_default" COMMENT="Defines lesson_default" PREVIOUS="lesson_grades" NEXT="lesson_timer">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="practice"/>
-        <FIELD NAME="practice" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="modattempts"/>
-        <FIELD NAME="modattempts" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="practice" NEXT="usepassword"/>
-        <FIELD NAME="usepassword" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="modattempts" NEXT="password"/>
-        <FIELD NAME="password" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="usepassword" NEXT="conditions"/>
-        <FIELD NAME="conditions" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="password" NEXT="grade"/>
-        <FIELD NAME="grade" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="conditions" NEXT="custom"/>
-        <FIELD NAME="custom" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grade" NEXT="ongoing"/>
-        <FIELD NAME="ongoing" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="custom" NEXT="usemaxgrade"/>
-        <FIELD NAME="usemaxgrade" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="ongoing" NEXT="maxanswers"/>
-        <FIELD NAME="maxanswers" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="4" SEQUENCE="false" ENUM="false" PREVIOUS="usemaxgrade" NEXT="maxattempts"/>
-        <FIELD NAME="maxattempts" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="5" SEQUENCE="false" ENUM="false" PREVIOUS="maxanswers" NEXT="review"/>
-        <FIELD NAME="review" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="maxattempts" NEXT="nextpagedefault"/>
-        <FIELD NAME="nextpagedefault" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="review" NEXT="feedback"/>
-        <FIELD NAME="feedback" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="nextpagedefault" NEXT="minquestions"/>
-        <FIELD NAME="minquestions" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="feedback" NEXT="maxpages"/>
-        <FIELD NAME="maxpages" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="minquestions" NEXT="timed"/>
-        <FIELD NAME="timed" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="maxpages" NEXT="maxtime"/>
-        <FIELD NAME="maxtime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timed" NEXT="retake"/>
-        <FIELD NAME="retake" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="maxtime" NEXT="mediaheight"/>
-        <FIELD NAME="mediaheight" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="100" SEQUENCE="false" ENUM="false" PREVIOUS="retake" NEXT="mediawidth"/>
-        <FIELD NAME="mediawidth" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="650" SEQUENCE="false" ENUM="false" PREVIOUS="mediaheight" NEXT="mediaclose"/>
-        <FIELD NAME="mediaclose" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="mediawidth" NEXT="slideshow"/>
-        <FIELD NAME="slideshow" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="mediaclose" NEXT="width"/>
-        <FIELD NAME="width" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="640" SEQUENCE="false" ENUM="false" PREVIOUS="slideshow" NEXT="height"/>
-        <FIELD NAME="height" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="480" SEQUENCE="false" ENUM="false" PREVIOUS="width" NEXT="bgcolor"/>
-        <FIELD NAME="bgcolor" TYPE="char" LENGTH="7" NOTNULL="false" DEFAULT="#FFFFFF" SEQUENCE="false" ENUM="false" PREVIOUS="height" NEXT="displayleft"/>
-        <FIELD NAME="displayleft" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="bgcolor" NEXT="displayleftif"/>
-        <FIELD NAME="displayleftif" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="displayleft" NEXT="progressbar"/>
-        <FIELD NAME="progressbar" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="displayleftif" NEXT="highscores"/>
-        <FIELD NAME="highscores" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="progressbar" NEXT="maxhighscores"/>
-        <FIELD NAME="maxhighscores" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="highscores"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="practice"/>
+        <FIELD NAME="practice" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="course" NEXT="modattempts"/>
+        <FIELD NAME="modattempts" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="practice" NEXT="usepassword"/>
+        <FIELD NAME="usepassword" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="modattempts" NEXT="password"/>
+        <FIELD NAME="password" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" PREVIOUS="usepassword" NEXT="conditions"/>
+        <FIELD NAME="conditions" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="password" NEXT="grade"/>
+        <FIELD NAME="grade" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="conditions" NEXT="custom"/>
+        <FIELD NAME="custom" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="grade" NEXT="ongoing"/>
+        <FIELD NAME="ongoing" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="custom" NEXT="usemaxgrade"/>
+        <FIELD NAME="usemaxgrade" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="ongoing" NEXT="maxanswers"/>
+        <FIELD NAME="maxanswers" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="4" SEQUENCE="false" PREVIOUS="usemaxgrade" NEXT="maxattempts"/>
+        <FIELD NAME="maxattempts" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="5" SEQUENCE="false" PREVIOUS="maxanswers" NEXT="review"/>
+        <FIELD NAME="review" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="maxattempts" NEXT="nextpagedefault"/>
+        <FIELD NAME="nextpagedefault" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="review" NEXT="feedback"/>
+        <FIELD NAME="feedback" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="nextpagedefault" NEXT="minquestions"/>
+        <FIELD NAME="minquestions" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="feedback" NEXT="maxpages"/>
+        <FIELD NAME="maxpages" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="minquestions" NEXT="timed"/>
+        <FIELD NAME="timed" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="maxpages" NEXT="maxtime"/>
+        <FIELD NAME="maxtime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timed" NEXT="retake"/>
+        <FIELD NAME="retake" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="maxtime" NEXT="mediaheight"/>
+        <FIELD NAME="mediaheight" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="100" SEQUENCE="false" PREVIOUS="retake" NEXT="mediawidth"/>
+        <FIELD NAME="mediawidth" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="650" SEQUENCE="false" PREVIOUS="mediaheight" NEXT="mediaclose"/>
+        <FIELD NAME="mediaclose" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="mediawidth" NEXT="slideshow"/>
+        <FIELD NAME="slideshow" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="mediaclose" NEXT="width"/>
+        <FIELD NAME="width" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="640" SEQUENCE="false" PREVIOUS="slideshow" NEXT="height"/>
+        <FIELD NAME="height" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="480" SEQUENCE="false" PREVIOUS="width" NEXT="bgcolor"/>
+        <FIELD NAME="bgcolor" TYPE="char" LENGTH="7" NOTNULL="false" DEFAULT="#FFFFFF" SEQUENCE="false" PREVIOUS="height" NEXT="displayleft"/>
+        <FIELD NAME="displayleft" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="bgcolor" NEXT="displayleftif"/>
+        <FIELD NAME="displayleftif" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="displayleft" NEXT="progressbar"/>
+        <FIELD NAME="progressbar" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="displayleftif" NEXT="highscores"/>
+        <FIELD NAME="highscores" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="progressbar" NEXT="maxhighscores"/>
+        <FIELD NAME="maxhighscores" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="highscores"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" />
@@ -175,11 +175,11 @@
     </TABLE>
     <TABLE NAME="lesson_timer" COMMENT="lesson timer for each lesson" PREVIOUS="lesson_default" NEXT="lesson_branch">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="lessonid"/>
-        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lessonid" NEXT="starttime"/>
-        <FIELD NAME="starttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="lessontime"/>
-        <FIELD NAME="lessontime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="starttime"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="lessonid"/>
+        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lessonid" NEXT="starttime"/>
+        <FIELD NAME="starttime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="lessontime"/>
+        <FIELD NAME="lessontime" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="starttime"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="lessonid"/>
@@ -191,13 +191,13 @@
     </TABLE>
     <TABLE NAME="lesson_branch" COMMENT="branches for each lesson/user" PREVIOUS="lesson_timer" NEXT="lesson_high_scores">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="lessonid"/>
-        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lessonid" NEXT="pageid"/>
-        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="retry"/>
-        <FIELD NAME="retry" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="pageid" NEXT="flag"/>
-        <FIELD NAME="flag" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="retry" NEXT="timeseen"/>
-        <FIELD NAME="timeseen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="flag"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="lessonid"/>
+        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lessonid" NEXT="pageid"/>
+        <FIELD NAME="pageid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="retry"/>
+        <FIELD NAME="retry" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="pageid" NEXT="flag"/>
+        <FIELD NAME="flag" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="retry" NEXT="timeseen"/>
+        <FIELD NAME="timeseen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="flag"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="lessonid"/>
@@ -210,11 +210,11 @@
     </TABLE>
     <TABLE NAME="lesson_high_scores" COMMENT="high scores for each lesson" PREVIOUS="lesson_branch">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="lessonid"/>
-        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="lessonid" NEXT="gradeid"/>
-        <FIELD NAME="gradeid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="nickname"/>
-        <FIELD NAME="nickname" TYPE="char" LENGTH="5" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="gradeid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="lessonid"/>
+        <FIELD NAME="lessonid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="lessonid" NEXT="gradeid"/>
+        <FIELD NAME="gradeid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="nickname"/>
+        <FIELD NAME="nickname" TYPE="char" LENGTH="5" NOTNULL="true" SEQUENCE="false" PREVIOUS="gradeid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="lessonid"/>
diff --git a/mod/quiz/db/install.xml b/mod/quiz/db/install.xml
index c07a2c851c..be9eca65fc 100755
--- a/mod/quiz/db/install.xml
+++ b/mod/quiz/db/install.xml
@@ -6,36 +6,36 @@
   <TABLES>
     <TABLE NAME="quiz" COMMENT="Main information about each quiz" NEXT="quiz_attempts">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references course.id." PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The name of this quiz." PREVIOUS="course" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The introductory text desplayed on the view.php page." PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="timeopen"/>
-        <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Time at which students may start attempting this quiz." PREVIOUS="introformat" NEXT="timeclose"/>
-        <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Time by which students must have completed their attempt." PREVIOUS="timeopen" NEXT="optionflags"/>
-        <FIELD NAME="optionflags" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="This stores the adaptive mode setting for this quiz." PREVIOUS="timeclose" NEXT="penaltyscheme"/>
-        <FIELD NAME="penaltyscheme" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Stores the apply penaties setting." PREVIOUS="optionflags" NEXT="attempts"/>
-        <FIELD NAME="attempts" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="The maximum number of attempts that a student is allowed at this quiz. 0 mean no limit." PREVIOUS="penaltyscheme" NEXT="attemptonlast"/>
-        <FIELD NAME="attemptonlast" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Whether each attempt builds on last mode is on." PREVIOUS="attempts" NEXT="grademethod"/>
-        <FIELD NAME="grademethod" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" COMMENT="How individual attempt grades are combined to get the overall grade. From the top of mod/quiz/lib.php: 1 = QUIZ_GRADEHIGHEST, 2 = QUIZ_GRADEAVERAGE, 3 = QUIZ_ATTEMPTFIRST, 4 = QUIZ_ATTEMPTLAST." PREVIOUS="attemptonlast" NEXT="decimalpoints"/>
-        <FIELD NAME="decimalpoints" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="2" SEQUENCE="false" ENUM="false" COMMENT="Number of decimal points to display when printing scores belonging to this quiz." PREVIOUS="grademethod" NEXT="questiondecimalpoints"/>
-        <FIELD NAME="questiondecimalpoints" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="-2" SEQUENCE="false" ENUM="false" COMMENT="The number of decimal digits to use when displaying question grades. -1 = use decimalpoints, otherwise a separate setting." PREVIOUS="decimalpoints" NEXT="review"/>
-        <FIELD NAME="review" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="A bitfield encoding the Review options setting. Read the code of function quiz_get_reviewoptions from mod/quiz/locallib.php to see what each bit means." PREVIOUS="questiondecimalpoints" NEXT="questionsperpage"/>
-        <FIELD NAME="questionsperpage" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="This does not do exactly what the name suggests, and the behaviour depends on the shufflequestions setting." PREVIOUS="review" NEXT="shufflequestions"/>
-        <FIELD NAME="shufflequestions" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Whether the list of questions in the quiz should be randomly shuffled at the start of each attempt." PREVIOUS="questionsperpage" NEXT="shuffleanswers"/>
-        <FIELD NAME="shuffleanswers" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Whether, in question types that support it, individual parts of a question should be shuffled." PREVIOUS="shufflequestions" NEXT="questions"/>
-        <FIELD NAME="questions" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Comma-separated list of questionids, with 0s for page breaks. The layout of questions in this quiz." PREVIOUS="shuffleanswers" NEXT="sumgrades"/>
-        <FIELD NAME="sumgrades" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="Total of the maximum grades you can get from each question. This is redundant, it is SELECT SUM(grade) FROM {quiz_question_instances} WHERE quiz = ?." PREVIOUS="questions" NEXT="grade"/>
-        <FIELD NAME="grade" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="Maximum grade that you can get from this quiz." PREVIOUS="sumgrades" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Timestamp when this quiz was created." PREVIOUS="grade" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Timestamp when this row was last updated." PREVIOUS="timecreated" NEXT="timelimit"/>
-        <FIELD NAME="timelimit" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Time limit in seconds." PREVIOUS="timemodified" NEXT="password"/>
-        <FIELD NAME="password" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Students must enter this password before they can attempt the quiz." PREVIOUS="timelimit" NEXT="subnet"/>
-        <FIELD NAME="subnet" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="If set, only allow attempts from certain IP addresses. The checking is performed by the address_in_subnet function from lib/moodlelib.php." PREVIOUS="password" NEXT="popup"/>
-        <FIELD NAME="popup" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Force the quiz to be attempted in a full-screen pop-up window with some evil JavaScript that attempts to prevent copying and pasting, etc." PREVIOUS="subnet" NEXT="delay1"/>
-        <FIELD NAME="delay1" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Enforced delay between the first and second attempts, in seconds." PREVIOUS="popup" NEXT="delay2"/>
-        <FIELD NAME="delay2" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Enforced delay between the second and subsequent attempts, in seconds." PREVIOUS="delay1" NEXT="showuserpicture"/>
-        <FIELD NAME="showuserpicture" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Option to show the user's picture during the attempt and on the review page." PREVIOUS="delay2"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references course.id." PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="The name of this quiz." PREVIOUS="course" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" COMMENT="The introductory text desplayed on the view.php page." PREVIOUS="name" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="intro" NEXT="timeopen"/>
+        <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Time at which students may start attempting this quiz." PREVIOUS="introformat" NEXT="timeclose"/>
+        <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Time by which students must have completed their attempt." PREVIOUS="timeopen" NEXT="optionflags"/>
+        <FIELD NAME="optionflags" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="This stores the adaptive mode setting for this quiz." PREVIOUS="timeclose" NEXT="penaltyscheme"/>
+        <FIELD NAME="penaltyscheme" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Stores the apply penaties setting." PREVIOUS="optionflags" NEXT="attempts"/>
+        <FIELD NAME="attempts" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="The maximum number of attempts that a student is allowed at this quiz. 0 mean no limit." PREVIOUS="penaltyscheme" NEXT="attemptonlast"/>
+        <FIELD NAME="attemptonlast" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Whether each attempt builds on last mode is on." PREVIOUS="attempts" NEXT="grademethod"/>
+        <FIELD NAME="grademethod" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" COMMENT="How individual attempt grades are combined to get the overall grade. From the top of mod/quiz/lib.php: 1 = QUIZ_GRADEHIGHEST, 2 = QUIZ_GRADEAVERAGE, 3 = QUIZ_ATTEMPTFIRST, 4 = QUIZ_ATTEMPTLAST." PREVIOUS="attemptonlast" NEXT="decimalpoints"/>
+        <FIELD NAME="decimalpoints" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="2" SEQUENCE="false" COMMENT="Number of decimal points to display when printing scores belonging to this quiz." PREVIOUS="grademethod" NEXT="questiondecimalpoints"/>
+        <FIELD NAME="questiondecimalpoints" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="-2" SEQUENCE="false" COMMENT="The number of decimal digits to use when displaying question grades. -1 = use decimalpoints, otherwise a separate setting." PREVIOUS="decimalpoints" NEXT="review"/>
+        <FIELD NAME="review" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="A bitfield encoding the Review options setting. Read the code of function quiz_get_reviewoptions from mod/quiz/locallib.php to see what each bit means." PREVIOUS="questiondecimalpoints" NEXT="questionsperpage"/>
+        <FIELD NAME="questionsperpage" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="This does not do exactly what the name suggests, and the behaviour depends on the shufflequestions setting." PREVIOUS="review" NEXT="shufflequestions"/>
+        <FIELD NAME="shufflequestions" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Whether the list of questions in the quiz should be randomly shuffled at the start of each attempt." PREVIOUS="questionsperpage" NEXT="shuffleanswers"/>
+        <FIELD NAME="shuffleanswers" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Whether, in question types that support it, individual parts of a question should be shuffled." PREVIOUS="shufflequestions" NEXT="questions"/>
+        <FIELD NAME="questions" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" COMMENT="Comma-separated list of questionids, with 0s for page breaks. The layout of questions in this quiz." PREVIOUS="shuffleanswers" NEXT="sumgrades"/>
+        <FIELD NAME="sumgrades" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="Total of the maximum grades you can get from each question. This is redundant, it is SELECT SUM(grade) FROM {quiz_question_instances} WHERE quiz = ?." PREVIOUS="questions" NEXT="grade"/>
+        <FIELD NAME="grade" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="Maximum grade that you can get from this quiz." PREVIOUS="sumgrades" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Timestamp when this quiz was created." PREVIOUS="grade" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Timestamp when this row was last updated." PREVIOUS="timecreated" NEXT="timelimit"/>
+        <FIELD NAME="timelimit" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Time limit in seconds." PREVIOUS="timemodified" NEXT="password"/>
+        <FIELD NAME="password" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="Students must enter this password before they can attempt the quiz." PREVIOUS="timelimit" NEXT="subnet"/>
+        <FIELD NAME="subnet" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="If set, only allow attempts from certain IP addresses. The checking is performed by the address_in_subnet function from lib/moodlelib.php." PREVIOUS="password" NEXT="popup"/>
+        <FIELD NAME="popup" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Force the quiz to be attempted in a full-screen pop-up window with some evil JavaScript that attempts to prevent copying and pasting, etc." PREVIOUS="subnet" NEXT="delay1"/>
+        <FIELD NAME="delay1" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Enforced delay between the first and second attempts, in seconds." PREVIOUS="popup" NEXT="delay2"/>
+        <FIELD NAME="delay2" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Enforced delay between the second and subsequent attempts, in seconds." PREVIOUS="delay1" NEXT="showuserpicture"/>
+        <FIELD NAME="showuserpicture" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Option to show the user's picture during the attempt and on the review page." PREVIOUS="delay2"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -46,17 +46,17 @@
     </TABLE>
     <TABLE NAME="quiz_attempts" COMMENT="Stores various attempts on a quiz" PREVIOUS="quiz" NEXT="quiz_grades">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="uniqueid"/>
-        <FIELD NAME="uniqueid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question_attempts.id, and hence links into the attempt information for each question in the attempt." PREVIOUS="id" NEXT="quiz"/>
-        <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references quiz.id." PREVIOUS="uniqueid" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references user.id." PREVIOUS="quiz" NEXT="attempt"/>
-        <FIELD NAME="attempt" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="The attempt number for this user on this quiz. It counts up from one. (quiz, userid, attempt) could be an alternate primary key for this table." PREVIOUS="userid" NEXT="sumgrades"/>
-        <FIELD NAME="sumgrades" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="The sum of the user's grades for all questions in this attempt." PREVIOUS="attempt" NEXT="timestart"/>
-        <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="The time this attempt started." PREVIOUS="sumgrades" NEXT="timefinish"/>
-        <FIELD NAME="timefinish" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="The time this attempt finished. If 0, this attempt is still open." PREVIOUS="timestart" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="The time this attemtp was last modified. I think this is not changed by a regrade, and I don't know about what happens if a teacher manually grades a question. If you really need to know, look at the code, then update this comment. Thanks." PREVIOUS="timefinish" NEXT="layout"/>
-        <FIELD NAME="layout" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="A comma-separated list of question ids, with 0s for page breaks. If quiz.shuffequestions = 0, this will be the same as quiz.layout." PREVIOUS="timemodified" NEXT="preview"/>
-        <FIELD NAME="preview" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Used to distinguish preview attempts. Previews do not show up in reports; are deleted automatically when quiz settings are changed; and do not prevent the quiz from being edited." PREVIOUS="layout"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="uniqueid"/>
+        <FIELD NAME="uniqueid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question_attempts.id, and hence links into the attempt information for each question in the attempt." PREVIOUS="id" NEXT="quiz"/>
+        <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references quiz.id." PREVIOUS="uniqueid" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references user.id." PREVIOUS="quiz" NEXT="attempt"/>
+        <FIELD NAME="attempt" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="The attempt number for this user on this quiz. It counts up from one. (quiz, userid, attempt) could be an alternate primary key for this table." PREVIOUS="userid" NEXT="sumgrades"/>
+        <FIELD NAME="sumgrades" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="The sum of the user's grades for all questions in this attempt." PREVIOUS="attempt" NEXT="timestart"/>
+        <FIELD NAME="timestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="The time this attempt started." PREVIOUS="sumgrades" NEXT="timefinish"/>
+        <FIELD NAME="timefinish" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="The time this attempt finished. If 0, this attempt is still open." PREVIOUS="timestart" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="The time this attemtp was last modified. I think this is not changed by a regrade, and I don't know about what happens if a teacher manually grades a question. If you really need to know, look at the code, then update this comment. Thanks." PREVIOUS="timefinish" NEXT="layout"/>
+        <FIELD NAME="layout" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" COMMENT="A comma-separated list of question ids, with 0s for page breaks. If quiz.shuffequestions = 0, this will be the same as quiz.layout." PREVIOUS="timemodified" NEXT="preview"/>
+        <FIELD NAME="preview" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Used to distinguish preview attempts. Previews do not show up in reports; are deleted automatically when quiz settings are changed; and do not prevent the quiz from being edited." PREVIOUS="layout"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="uniqueid"/>
@@ -69,11 +69,11 @@
     </TABLE>
     <TABLE NAME="quiz_grades" COMMENT="The overall grade for each user on the quiz, based on their individual and the quiz.grademethod setting." PREVIOUS="quiz_attempts" NEXT="quiz_question_instances">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quiz"/>
-        <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references quiz.id." PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references user.id." PREVIOUS="quiz" NEXT="grade"/>
-        <FIELD NAME="grade" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="The overall grade from the quiz. Not affected by overrides in the gradebook." PREVIOUS="userid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="The last time this grade changed." PREVIOUS="grade"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="quiz"/>
+        <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references quiz.id." PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references user.id." PREVIOUS="quiz" NEXT="grade"/>
+        <FIELD NAME="grade" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="The overall grade from the quiz. Not affected by overrides in the gradebook." PREVIOUS="userid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="The last time this grade changed." PREVIOUS="grade"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="quiz"/>
@@ -85,10 +85,10 @@
     </TABLE>
     <TABLE NAME="quiz_question_instances" COMMENT="Stores the maximum possible grade (weight) for each question used in a quiz." PREVIOUS="quiz_grades" NEXT="quiz_feedback">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quiz"/>
-        <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references quiz.id." PREVIOUS="id" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question.id." PREVIOUS="quiz" NEXT="grade"/>
-        <FIELD NAME="grade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="7" COMMENT="How many marks this question contributes to quiz.sumgrades." PREVIOUS="question"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="quiz"/>
+        <FIELD NAME="quiz" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references quiz.id." PREVIOUS="id" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question.id." PREVIOUS="quiz" NEXT="grade"/>
+        <FIELD NAME="grade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="7" COMMENT="How many marks this question contributes to quiz.sumgrades." PREVIOUS="question"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="quiz"/>
@@ -98,11 +98,11 @@
     </TABLE>
     <TABLE NAME="quiz_feedback" COMMENT="Feedback given to students based on which grade band their overall score lies." PREVIOUS="quiz_question_instances" NEXT="quiz_report">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quizid"/>
-        <FIELD NAME="quizid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references quiz.id." PREVIOUS="id" NEXT="feedbacktext"/>
-        <FIELD NAME="feedbacktext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The feedback to show for a attempt where mingrade &lt;= attempt grade &lt; maxgrade. See function quiz_feedback_for_grade in mod/quiz/locallib.php." PREVIOUS="quizid" NEXT="mingrade"/>
-        <FIELD NAME="mingrade" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="The lower limit of this grade band. Inclusive." PREVIOUS="feedbacktext" NEXT="maxgrade"/>
-        <FIELD NAME="maxgrade" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" DECIMALS="5" COMMENT="The upper limit of this grade band. Exclusive." PREVIOUS="mingrade"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="quizid"/>
+        <FIELD NAME="quizid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references quiz.id." PREVIOUS="id" NEXT="feedbacktext"/>
+        <FIELD NAME="feedbacktext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" COMMENT="The feedback to show for a attempt where mingrade &lt;= attempt grade &lt; maxgrade. See function quiz_feedback_for_grade in mod/quiz/locallib.php." PREVIOUS="quizid" NEXT="mingrade"/>
+        <FIELD NAME="mingrade" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="The lower limit of this grade band. Inclusive." PREVIOUS="feedbacktext" NEXT="maxgrade"/>
+        <FIELD NAME="maxgrade" TYPE="number" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" DECIMALS="5" COMMENT="The upper limit of this grade band. Exclusive." PREVIOUS="mingrade"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="quizid"/>
@@ -111,12 +111,12 @@
     </TABLE>
     <TABLE NAME="quiz_report" COMMENT="Lists all the installed quiz reports and their display order and so on. No need to worry about deleting old records. Only records with an equivalent directory are displayed." PREVIOUS="quiz_feedback">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="name of the report, same as the directory name" PREVIOUS="id" NEXT="displayorder"/>
-        <FIELD NAME="displayorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="display order for report tabs" PREVIOUS="name" NEXT="lastcron"/>
-        <FIELD NAME="lastcron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="timestamp when cron was last run for this report." PREVIOUS="displayorder" NEXT="cron"/>
-        <FIELD NAME="cron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="0 if there is no cron for this report (default) or the time between crons otherwise." PREVIOUS="lastcron" NEXT="capability"/>
-        <FIELD NAME="capability" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="Capability required to see this report. May be blank which means use the default of mod/quiz:viewreport. This is used when deciding which tabs to render." PREVIOUS="cron"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="name of the report, same as the directory name" PREVIOUS="id" NEXT="displayorder"/>
+        <FIELD NAME="displayorder" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="display order for report tabs" PREVIOUS="name" NEXT="lastcron"/>
+        <FIELD NAME="lastcron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="timestamp when cron was last run for this report." PREVIOUS="displayorder" NEXT="cron"/>
+        <FIELD NAME="cron" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="0 if there is no cron for this report (default) or the time between crons otherwise." PREVIOUS="lastcron" NEXT="capability"/>
+        <FIELD NAME="capability" TYPE="char" LENGTH="255" NOTNULL="false" SEQUENCE="false" COMMENT="Capability required to see this report. May be blank which means use the default of mod/quiz:viewreport. This is used when deciding which tabs to render." PREVIOUS="cron"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
diff --git a/mod/quiz/report/overview/db/install.xml b/mod/quiz/report/overview/db/install.xml
index c79f217a1a..347b9345ea 100644
--- a/mod/quiz/report/overview/db/install.xml
+++ b/mod/quiz/report/overview/db/install.xml
@@ -6,13 +6,13 @@
   <TABLES>
     <TABLE NAME="quiz_question_regrade" COMMENT="This table records which question attempts need regrading and the grade they will be regraded to.">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="questionid"/>
-        <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question.id." PREVIOUS="id" NEXT="attemptid"/>
-        <FIELD NAME="attemptid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question_attempt.id, or equivalently quiz_attempt.uniqueid." PREVIOUS="questionid" NEXT="newgrade"/>
-        <FIELD NAME="newgrade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="7" COMMENT="The new grade for this question after regrading." PREVIOUS="attemptid" NEXT="oldgrade"/>
-        <FIELD NAME="oldgrade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="7" COMMENT="The previous grade for this question in this attempt." PREVIOUS="newgrade" NEXT="regraded"/>
-        <FIELD NAME="regraded" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="set to 0 if element has just been regraded. Set to 1 if element has been marked as needing regrading." PREVIOUS="oldgrade" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Timestamp of when this row was last modified." PREVIOUS="regraded"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="questionid"/>
+        <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="Foreign key references question.id." PREVIOUS="id" NEXT="attemptid"/>
+        <FIELD NAME="attemptid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="Foreign key references question_attempt.id, or equivalently quiz_attempt.uniqueid." PREVIOUS="questionid" NEXT="newgrade"/>
+        <FIELD NAME="newgrade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" DECIMALS="7" COMMENT="The new grade for this question after regrading." PREVIOUS="attemptid" NEXT="oldgrade"/>
+        <FIELD NAME="oldgrade" TYPE="number" LENGTH="12" NOTNULL="true" UNSIGNED="false" SEQUENCE="false" DECIMALS="7" COMMENT="The previous grade for this question in this attempt." PREVIOUS="newgrade" NEXT="regraded"/>
+        <FIELD NAME="regraded" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="set to 0 if element has just been regraded. Set to 1 if element has been marked as needing regrading." PREVIOUS="oldgrade" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="Timestamp of when this row was last modified." PREVIOUS="regraded"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
diff --git a/mod/quiz/report/statistics/db/install.xml b/mod/quiz/report/statistics/db/install.xml
index 0a1a8d1853..700023aba3 100644
--- a/mod/quiz/report/statistics/db/install.xml
+++ b/mod/quiz/report/statistics/db/install.xml
@@ -6,22 +6,22 @@
   <TABLES>
     <TABLE NAME="quiz_statistics" COMMENT="table to cache results from analysis done in statistics report for quizzes." NEXT="quiz_question_statistics">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quizid"/>
-        <FIELD NAME="quizid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="quizid" NEXT="allattempts"/>
-        <FIELD NAME="allattempts" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="bool used to indicate whether these stats are for all attempts or just for the first." PREVIOUS="groupid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="allattempts" NEXT="firstattemptscount"/>
-        <FIELD NAME="firstattemptscount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="allattemptscount"/>
-        <FIELD NAME="allattemptscount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="firstattemptscount" NEXT="firstattemptsavg"/>
-        <FIELD NAME="firstattemptsavg" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" DECIMALS="5" PREVIOUS="allattemptscount" NEXT="allattemptsavg"/>
-        <FIELD NAME="allattemptsavg" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" DECIMALS="5" PREVIOUS="firstattemptsavg" NEXT="median"/>
-        <FIELD NAME="median" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" DECIMALS="5" PREVIOUS="allattemptsavg" NEXT="standarddeviation"/>
-        <FIELD NAME="standarddeviation" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" DECIMALS="5" PREVIOUS="median" NEXT="skewness"/>
-        <FIELD NAME="skewness" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="10" PREVIOUS="standarddeviation" NEXT="kurtosis"/>
-        <FIELD NAME="kurtosis" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" PREVIOUS="skewness" NEXT="cic"/>
-        <FIELD NAME="cic" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="10" PREVIOUS="kurtosis" NEXT="errorratio"/>
-        <FIELD NAME="errorratio" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" DECIMALS="10" PREVIOUS="cic" NEXT="standarderror"/>
-        <FIELD NAME="standarderror" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" DECIMALS="10" PREVIOUS="errorratio"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="quizid"/>
+        <FIELD NAME="quizid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="quizid" NEXT="allattempts"/>
+        <FIELD NAME="allattempts" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="bool used to indicate whether these stats are for all attempts or just for the first." PREVIOUS="groupid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="allattempts" NEXT="firstattemptscount"/>
+        <FIELD NAME="firstattemptscount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="timemodified" NEXT="allattemptscount"/>
+        <FIELD NAME="allattemptscount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="firstattemptscount" NEXT="firstattemptsavg"/>
+        <FIELD NAME="firstattemptsavg" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" DECIMALS="5" PREVIOUS="allattemptscount" NEXT="allattemptsavg"/>
+        <FIELD NAME="allattemptsavg" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" DECIMALS="5" PREVIOUS="firstattemptsavg" NEXT="median"/>
+        <FIELD NAME="median" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" DECIMALS="5" PREVIOUS="allattemptsavg" NEXT="standarddeviation"/>
+        <FIELD NAME="standarddeviation" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" DECIMALS="5" PREVIOUS="median" NEXT="skewness"/>
+        <FIELD NAME="skewness" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="10" PREVIOUS="standarddeviation" NEXT="kurtosis"/>
+        <FIELD NAME="kurtosis" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="5" PREVIOUS="skewness" NEXT="cic"/>
+        <FIELD NAME="cic" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="10" PREVIOUS="kurtosis" NEXT="errorratio"/>
+        <FIELD NAME="errorratio" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" DECIMALS="10" PREVIOUS="cic" NEXT="standarderror"/>
+        <FIELD NAME="standarderror" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" DECIMALS="10" PREVIOUS="errorratio"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -29,20 +29,20 @@
     </TABLE>
     <TABLE NAME="quiz_question_statistics" COMMENT="Default comment for the table, please edit me" PREVIOUS="quiz_statistics" NEXT="quiz_question_response_stats">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quizstatisticsid"/>
-        <FIELD NAME="quizstatisticsid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="questionid"/>
-        <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="quizstatisticsid" NEXT="subquestion"/>
-        <FIELD NAME="subquestion" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="questionid" NEXT="s"/>
-        <FIELD NAME="s" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="subquestion" NEXT="effectiveweight"/>
-        <FIELD NAME="effectiveweight" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" DECIMALS="5" PREVIOUS="s" NEXT="negcovar"/>
-        <FIELD NAME="negcovar" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="effectiveweight" NEXT="discriminationindex"/>
-        <FIELD NAME="discriminationindex" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" PREVIOUS="negcovar" NEXT="discriminativeefficiency"/>
-        <FIELD NAME="discriminativeefficiency" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" ENUM="false" DECIMALS="5" PREVIOUS="discriminationindex" NEXT="sd"/>
-        <FIELD NAME="sd" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" DECIMALS="10" PREVIOUS="discriminativeefficiency" NEXT="facility"/>
-        <FIELD NAME="facility" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" DECIMALS="10" PREVIOUS="sd" NEXT="subquestions"/>
-        <FIELD NAME="subquestions" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="facility" NEXT="maxgrade"/>
-        <FIELD NAME="maxgrade" TYPE="number" LENGTH="12" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" DECIMALS="7" PREVIOUS="subquestions" NEXT="positions"/>
-        <FIELD NAME="positions" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="positions in which this item appears. Only used for random questions." PREVIOUS="maxgrade"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="quizstatisticsid"/>
+        <FIELD NAME="quizstatisticsid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="questionid"/>
+        <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="quizstatisticsid" NEXT="subquestion"/>
+        <FIELD NAME="subquestion" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="questionid" NEXT="s"/>
+        <FIELD NAME="s" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="subquestion" NEXT="effectiveweight"/>
+        <FIELD NAME="effectiveweight" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" DECIMALS="5" PREVIOUS="s" NEXT="negcovar"/>
+        <FIELD NAME="negcovar" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="effectiveweight" NEXT="discriminationindex"/>
+        <FIELD NAME="discriminationindex" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="5" PREVIOUS="negcovar" NEXT="discriminativeefficiency"/>
+        <FIELD NAME="discriminativeefficiency" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="false" SEQUENCE="false" DECIMALS="5" PREVIOUS="discriminationindex" NEXT="sd"/>
+        <FIELD NAME="sd" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" DECIMALS="10" PREVIOUS="discriminativeefficiency" NEXT="facility"/>
+        <FIELD NAME="facility" TYPE="number" LENGTH="15" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" DECIMALS="10" PREVIOUS="sd" NEXT="subquestions"/>
+        <FIELD NAME="subquestions" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" PREVIOUS="facility" NEXT="maxgrade"/>
+        <FIELD NAME="maxgrade" TYPE="number" LENGTH="12" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" DECIMALS="7" PREVIOUS="subquestions" NEXT="positions"/>
+        <FIELD NAME="positions" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" COMMENT="positions in which this item appears. Only used for random questions." PREVIOUS="maxgrade"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -50,14 +50,14 @@
     </TABLE>
     <TABLE NAME="quiz_question_response_stats" COMMENT="Quiz question responses." PREVIOUS="quiz_question_statistics">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="quizstatisticsid"/>
-        <FIELD NAME="quizstatisticsid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="questionid"/>
-        <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="quizstatisticsid" NEXT="subqid"/>
-        <FIELD NAME="subqid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="questionid" NEXT="aid"/>
-        <FIELD NAME="aid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="subqid" NEXT="response"/>
-        <FIELD NAME="response" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="aid" NEXT="rcount"/>
-        <FIELD NAME="rcount" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="response" NEXT="credit"/>
-        <FIELD NAME="credit" TYPE="number" LENGTH="15" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" DECIMALS="5" PREVIOUS="rcount"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="quizstatisticsid"/>
+        <FIELD NAME="quizstatisticsid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="questionid"/>
+        <FIELD NAME="questionid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="quizstatisticsid" NEXT="subqid"/>
+        <FIELD NAME="subqid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="questionid" NEXT="aid"/>
+        <FIELD NAME="aid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="subqid" NEXT="response"/>
+        <FIELD NAME="response" TYPE="text" LENGTH="big" NOTNULL="false" SEQUENCE="false" PREVIOUS="aid" NEXT="rcount"/>
+        <FIELD NAME="rcount" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" PREVIOUS="response" NEXT="credit"/>
+        <FIELD NAME="credit" TYPE="number" LENGTH="15" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" DECIMALS="5" PREVIOUS="rcount"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
diff --git a/mod/resource/db/install.xml b/mod/resource/db/install.xml
index 546fcd03fe..27fd6b7a4d 100644
--- a/mod/resource/db/install.xml
+++ b/mod/resource/db/install.xml
@@ -6,17 +6,17 @@
   <TABLES>
     <TABLE NAME="resource" COMMENT="each record is one resource and its config data">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="type"/>
-        <FIELD NAME="type" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="reference"/>
-        <FIELD NAME="reference" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="type" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="reference" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="alltext"/>
-        <FIELD NAME="alltext" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="introformat" NEXT="popup"/>
-        <FIELD NAME="popup" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="alltext" NEXT="options"/>
-        <FIELD NAME="options" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="popup" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="options"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="type"/>
+        <FIELD NAME="type" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="reference"/>
+        <FIELD NAME="reference" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="type" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="reference" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="intro" NEXT="alltext"/>
+        <FIELD NAME="alltext" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" PREVIOUS="introformat" NEXT="popup"/>
+        <FIELD NAME="popup" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="alltext" NEXT="options"/>
+        <FIELD NAME="options" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="popup" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="options"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
diff --git a/mod/scorm/db/install.xml b/mod/scorm/db/install.xml
index b2813aaffa..b1bd2db5cc 100644
--- a/mod/scorm/db/install.xml
+++ b/mod/scorm/db/install.xml
@@ -6,40 +6,40 @@
   <TABLES>
     <TABLE NAME="scorm" COMMENT="each table is one SCORM module and its configuration" NEXT="scorm_scoes">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="scormtype"/>
-        <FIELD NAME="scormtype" TYPE="char" LENGTH="50" NOTNULL="true" DEFAULT="local" SEQUENCE="false" ENUM="false" COMMENT="local, external or repository" PREVIOUS="name" NEXT="reference"/>
-        <FIELD NAME="reference" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="scormtype" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="reference" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="version"/>
-        <FIELD NAME="version" TYPE="char" LENGTH="9" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="introformat" NEXT="maxgrade"/>
-        <FIELD NAME="maxgrade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="grademethod"/>
-        <FIELD NAME="grademethod" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="maxgrade" NEXT="whatgrade"/>
-        <FIELD NAME="whatgrade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="grademethod" NEXT="maxattempt"/>
-        <FIELD NAME="maxattempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="whatgrade" NEXT="forcecompleted"/>
-        <FIELD NAME="forcecompleted" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="maxattempt" NEXT="forcenewattempt"/>
-        <FIELD NAME="forcenewattempt" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="forcecompleted" NEXT="lastattemptlock"/>
-        <FIELD NAME="lastattemptlock" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="forcenewattempt" NEXT="displayattemptstatus"/>
-        <FIELD NAME="displayattemptstatus" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="lastattemptlock" NEXT="displaycoursestructure"/>
-        <FIELD NAME="displaycoursestructure" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="displayattemptstatus" NEXT="updatefreq"/>
-        <FIELD NAME="updatefreq" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Define when the package must be automatically update" PREVIOUS="displaycoursestructure" NEXT="sha1hash"/>
-        <FIELD NAME="sha1hash" TYPE="char" LENGTH="40" NOTNULL="false" SEQUENCE="false" ENUM="false" COMMENT="pacakge content or ext path hash" PREVIOUS="updatefreq" NEXT="md5hash"/>
-        <FIELD NAME="md5hash" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="MD5 Hash of package file" PREVIOUS="sha1hash" NEXT="revision"/>
-        <FIELD NAME="revision" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="revison number" PREVIOUS="md5hash" NEXT="launch"/>
-        <FIELD NAME="launch" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="revision" NEXT="skipview"/>
-        <FIELD NAME="skipview" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="launch" NEXT="hidebrowse"/>
-        <FIELD NAME="hidebrowse" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="skipview" NEXT="hidetoc"/>
-        <FIELD NAME="hidetoc" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hidebrowse" NEXT="hidenav"/>
-        <FIELD NAME="hidenav" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hidetoc" NEXT="auto"/>
-        <FIELD NAME="auto" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hidenav" NEXT="popup"/>
-        <FIELD NAME="popup" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="auto" NEXT="options"/>
-        <FIELD NAME="options" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="popup" NEXT="width"/>
-        <FIELD NAME="width" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="100" SEQUENCE="false" ENUM="false" PREVIOUS="options" NEXT="height"/>
-        <FIELD NAME="height" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="600" SEQUENCE="false" ENUM="false" PREVIOUS="width" NEXT="timeopen"/>
-        <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="height" NEXT="timeclose"/>
-        <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeopen" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timeclose"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="scormtype"/>
+        <FIELD NAME="scormtype" TYPE="char" LENGTH="50" NOTNULL="true" DEFAULT="local" SEQUENCE="false" COMMENT="local, external or repository" PREVIOUS="name" NEXT="reference"/>
+        <FIELD NAME="reference" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="scormtype" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="reference" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="intro" NEXT="version"/>
+        <FIELD NAME="version" TYPE="char" LENGTH="9" NOTNULL="true" SEQUENCE="false" PREVIOUS="introformat" NEXT="maxgrade"/>
+        <FIELD NAME="maxgrade" TYPE="float" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="version" NEXT="grademethod"/>
+        <FIELD NAME="grademethod" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="maxgrade" NEXT="whatgrade"/>
+        <FIELD NAME="whatgrade" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="grademethod" NEXT="maxattempt"/>
+        <FIELD NAME="maxattempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="whatgrade" NEXT="forcecompleted"/>
+        <FIELD NAME="forcecompleted" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="maxattempt" NEXT="forcenewattempt"/>
+        <FIELD NAME="forcenewattempt" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="forcecompleted" NEXT="lastattemptlock"/>
+        <FIELD NAME="lastattemptlock" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="forcenewattempt" NEXT="displayattemptstatus"/>
+        <FIELD NAME="displayattemptstatus" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="lastattemptlock" NEXT="displaycoursestructure"/>
+        <FIELD NAME="displaycoursestructure" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="displayattemptstatus" NEXT="updatefreq"/>
+        <FIELD NAME="updatefreq" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Define when the package must be automatically update" PREVIOUS="displaycoursestructure" NEXT="sha1hash"/>
+        <FIELD NAME="sha1hash" TYPE="char" LENGTH="40" NOTNULL="false" SEQUENCE="false" COMMENT="pacakge content or ext path hash" PREVIOUS="updatefreq" NEXT="md5hash"/>
+        <FIELD NAME="md5hash" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" COMMENT="MD5 Hash of package file" PREVIOUS="sha1hash" NEXT="revision"/>
+        <FIELD NAME="revision" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="revison number" PREVIOUS="md5hash" NEXT="launch"/>
+        <FIELD NAME="launch" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="revision" NEXT="skipview"/>
+        <FIELD NAME="skipview" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="launch" NEXT="hidebrowse"/>
+        <FIELD NAME="hidebrowse" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="skipview" NEXT="hidetoc"/>
+        <FIELD NAME="hidetoc" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="hidebrowse" NEXT="hidenav"/>
+        <FIELD NAME="hidenav" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="hidetoc" NEXT="auto"/>
+        <FIELD NAME="auto" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="hidenav" NEXT="popup"/>
+        <FIELD NAME="popup" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="auto" NEXT="options"/>
+        <FIELD NAME="options" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="popup" NEXT="width"/>
+        <FIELD NAME="width" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="100" SEQUENCE="false" PREVIOUS="options" NEXT="height"/>
+        <FIELD NAME="height" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="600" SEQUENCE="false" PREVIOUS="width" NEXT="timeopen"/>
+        <FIELD NAME="timeopen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="height" NEXT="timeclose"/>
+        <FIELD NAME="timeclose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeopen" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timeclose"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -50,15 +50,15 @@
     </TABLE>
     <TABLE NAME="scorm_scoes" COMMENT="each SCO part of the SCORM module" PREVIOUS="scorm" NEXT="scorm_scoes_data">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="scorm"/>
-        <FIELD NAME="scorm" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="manifest"/>
-        <FIELD NAME="manifest" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="scorm" NEXT="organization"/>
-        <FIELD NAME="organization" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="manifest" NEXT="parent"/>
-        <FIELD NAME="parent" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="organization" NEXT="identifier"/>
-        <FIELD NAME="identifier" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="parent" NEXT="launch"/>
-        <FIELD NAME="launch" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="identifier" NEXT="scormtype"/>
-        <FIELD NAME="scormtype" TYPE="char" LENGTH="5" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="launch" NEXT="title"/>
-        <FIELD NAME="title" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="scormtype"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="scorm"/>
+        <FIELD NAME="scorm" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="manifest"/>
+        <FIELD NAME="manifest" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="scorm" NEXT="organization"/>
+        <FIELD NAME="organization" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="manifest" NEXT="parent"/>
+        <FIELD NAME="parent" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="organization" NEXT="identifier"/>
+        <FIELD NAME="identifier" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="parent" NEXT="launch"/>
+        <FIELD NAME="launch" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="identifier" NEXT="scormtype"/>
+        <FIELD NAME="scormtype" TYPE="char" LENGTH="5" NOTNULL="true" SEQUENCE="false" PREVIOUS="launch" NEXT="title"/>
+        <FIELD NAME="title" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="scormtype"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="scorm"/>
@@ -67,10 +67,10 @@
     </TABLE>
     <TABLE NAME="scorm_scoes_data" COMMENT="Contains variable data get from packages" PREVIOUS="scorm_scoes" NEXT="scorm_scoes_track">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="scoid"/>
-        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="scoid" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="scoid"/>
+        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="scoid" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="scorm_scoes_data_scoid"/>
@@ -79,14 +79,14 @@
     </TABLE>
     <TABLE NAME="scorm_scoes_track" COMMENT="to track SCOes" PREVIOUS="scorm_scoes_data" NEXT="scorm_seq_objective">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="scormid"/>
-        <FIELD NAME="scormid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="scoid"/>
-        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="scormid" NEXT="attempt"/>
-        <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="scoid" NEXT="element"/>
-        <FIELD NAME="element" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="attempt" NEXT="value"/>
-        <FIELD NAME="value" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="element" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="value"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="scormid"/>
+        <FIELD NAME="scormid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="scoid"/>
+        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="scormid" NEXT="attempt"/>
+        <FIELD NAME="attempt" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="scoid" NEXT="element"/>
+        <FIELD NAME="element" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="attempt" NEXT="value"/>
+        <FIELD NAME="value" TYPE="text" LENGTH="big" NOTNULL="true" SEQUENCE="false" PREVIOUS="element" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="value"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="scormid"/>
@@ -101,12 +101,12 @@
     </TABLE>
     <TABLE NAME="scorm_seq_objective" COMMENT="SCORM2004 objective description" PREVIOUS="scorm_scoes_track" NEXT="scorm_seq_mapinfo">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="scoid"/>
-        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="primaryobj"/>
-        <FIELD NAME="primaryobj" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="scoid" NEXT="objectiveid"/>
-        <FIELD NAME="objectiveid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="primaryobj" NEXT="satisfiedbymeasure"/>
-        <FIELD NAME="satisfiedbymeasure" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="objectiveid" NEXT="minnormalizedmeasure"/>
-        <FIELD NAME="minnormalizedmeasure" TYPE="float" LENGTH="11" NOTNULL="true" UNSIGNED="true" DEFAULT="0.0000" SEQUENCE="false" ENUM="false" DECIMALS="4" PREVIOUS="satisfiedbymeasure"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="scoid"/>
+        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="primaryobj"/>
+        <FIELD NAME="primaryobj" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="scoid" NEXT="objectiveid"/>
+        <FIELD NAME="objectiveid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="primaryobj" NEXT="satisfiedbymeasure"/>
+        <FIELD NAME="satisfiedbymeasure" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="objectiveid" NEXT="minnormalizedmeasure"/>
+        <FIELD NAME="minnormalizedmeasure" TYPE="float" LENGTH="11" NOTNULL="true" UNSIGNED="true" DEFAULT="0.0000" SEQUENCE="false" DECIMALS="4" PREVIOUS="satisfiedbymeasure"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="scorm_objective_uniq"/>
@@ -116,14 +116,14 @@
     </TABLE>
     <TABLE NAME="scorm_seq_mapinfo" COMMENT="SCORM2004 objective mapinfo description" PREVIOUS="scorm_seq_objective" NEXT="scorm_seq_ruleconds">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="scoid"/>
-        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="objectiveid"/>
-        <FIELD NAME="objectiveid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="scoid" NEXT="targetobjectiveid"/>
-        <FIELD NAME="targetobjectiveid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="objectiveid" NEXT="readsatisfiedstatus"/>
-        <FIELD NAME="readsatisfiedstatus" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="targetobjectiveid" NEXT="readnormalizedmeasure"/>
-        <FIELD NAME="readnormalizedmeasure" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="readsatisfiedstatus" NEXT="writesatisfiedstatus"/>
-        <FIELD NAME="writesatisfiedstatus" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="readnormalizedmeasure" NEXT="writenormalizedmeasure"/>
-        <FIELD NAME="writenormalizedmeasure" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="writesatisfiedstatus"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="scoid"/>
+        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="objectiveid"/>
+        <FIELD NAME="objectiveid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="scoid" NEXT="targetobjectiveid"/>
+        <FIELD NAME="targetobjectiveid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="objectiveid" NEXT="readsatisfiedstatus"/>
+        <FIELD NAME="readsatisfiedstatus" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="targetobjectiveid" NEXT="readnormalizedmeasure"/>
+        <FIELD NAME="readnormalizedmeasure" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="readsatisfiedstatus" NEXT="writesatisfiedstatus"/>
+        <FIELD NAME="writesatisfiedstatus" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="readnormalizedmeasure" NEXT="writenormalizedmeasure"/>
+        <FIELD NAME="writenormalizedmeasure" TYPE="int" LENGTH="1" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="writesatisfiedstatus"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="scorm_mapinfo_uniq"/>
@@ -134,11 +134,11 @@
     </TABLE>
     <TABLE NAME="scorm_seq_ruleconds" COMMENT="SCORM2004 rule conditions" PREVIOUS="scorm_seq_mapinfo" NEXT="scorm_seq_rulecond">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="scoid"/>
-        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="conditioncombination"/>
-        <FIELD NAME="conditioncombination" TYPE="char" LENGTH="3" NOTNULL="true" DEFAULT="all" SEQUENCE="false" ENUM="false" PREVIOUS="scoid" NEXT="ruletype"/>
-        <FIELD NAME="ruletype" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="conditioncombination" NEXT="action"/>
-        <FIELD NAME="action" TYPE="char" LENGTH="25" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="ruletype"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="scoid"/>
+        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="conditioncombination"/>
+        <FIELD NAME="conditioncombination" TYPE="char" LENGTH="3" NOTNULL="true" DEFAULT="all" SEQUENCE="false" PREVIOUS="scoid" NEXT="ruletype"/>
+        <FIELD NAME="ruletype" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="conditioncombination" NEXT="action"/>
+        <FIELD NAME="action" TYPE="char" LENGTH="25" NOTNULL="true" SEQUENCE="false" PREVIOUS="ruletype"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="scorm_ruleconds_un"/>
@@ -148,13 +148,13 @@
     </TABLE>
     <TABLE NAME="scorm_seq_rulecond" COMMENT="SCORM2004 rule condition" PREVIOUS="scorm_seq_ruleconds" NEXT="scorm_seq_rolluprule">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="scoid"/>
-        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="ruleconditionsid"/>
-        <FIELD NAME="ruleconditionsid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="scoid" NEXT="refrencedobjective"/>
-        <FIELD NAME="refrencedobjective" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="ruleconditionsid" NEXT="measurethreshold"/>
-        <FIELD NAME="measurethreshold" TYPE="float" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0.0000" SEQUENCE="false" ENUM="false" DECIMALS="4" PREVIOUS="refrencedobjective" NEXT="operator"/>
-        <FIELD NAME="operator" TYPE="char" LENGTH="5" NOTNULL="true" DEFAULT="noOp" SEQUENCE="false" ENUM="false" PREVIOUS="measurethreshold" NEXT="cond"/>
-        <FIELD NAME="cond" TYPE="char" LENGTH="30" NOTNULL="true" DEFAULT="always" SEQUENCE="false" ENUM="false" PREVIOUS="operator"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="scoid"/>
+        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="ruleconditionsid"/>
+        <FIELD NAME="ruleconditionsid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="scoid" NEXT="refrencedobjective"/>
+        <FIELD NAME="refrencedobjective" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="ruleconditionsid" NEXT="measurethreshold"/>
+        <FIELD NAME="measurethreshold" TYPE="float" LENGTH="11" NOTNULL="true" UNSIGNED="false" DEFAULT="0.0000" SEQUENCE="false" DECIMALS="4" PREVIOUS="refrencedobjective" NEXT="operator"/>
+        <FIELD NAME="operator" TYPE="char" LENGTH="5" NOTNULL="true" DEFAULT="noOp" SEQUENCE="false" PREVIOUS="measurethreshold" NEXT="cond"/>
+        <FIELD NAME="cond" TYPE="char" LENGTH="30" NOTNULL="true" DEFAULT="always" SEQUENCE="false" PREVIOUS="operator"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="scorm_rulecond_uniq"/>
@@ -165,13 +165,13 @@
     </TABLE>
     <TABLE NAME="scorm_seq_rolluprule" COMMENT="SCORM2004 sequencing rule" PREVIOUS="scorm_seq_rulecond" NEXT="scorm_seq_rolluprulecond">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="scoid"/>
-        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="childactivityset"/>
-        <FIELD NAME="childactivityset" TYPE="char" LENGTH="15" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="scoid" NEXT="minimumcount"/>
-        <FIELD NAME="minimumcount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="childactivityset" NEXT="minimumpercent"/>
-        <FIELD NAME="minimumpercent" TYPE="float" LENGTH="11" NOTNULL="true" UNSIGNED="true" DEFAULT="0.0000" SEQUENCE="false" ENUM="false" DECIMALS="4" PREVIOUS="minimumcount" NEXT="conditioncombination"/>
-        <FIELD NAME="conditioncombination" TYPE="char" LENGTH="3" NOTNULL="true" DEFAULT="all" SEQUENCE="false" ENUM="false" PREVIOUS="minimumpercent" NEXT="action"/>
-        <FIELD NAME="action" TYPE="char" LENGTH="15" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="conditioncombination"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="scoid"/>
+        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="childactivityset"/>
+        <FIELD NAME="childactivityset" TYPE="char" LENGTH="15" NOTNULL="true" SEQUENCE="false" PREVIOUS="scoid" NEXT="minimumcount"/>
+        <FIELD NAME="minimumcount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="childactivityset" NEXT="minimumpercent"/>
+        <FIELD NAME="minimumpercent" TYPE="float" LENGTH="11" NOTNULL="true" UNSIGNED="true" DEFAULT="0.0000" SEQUENCE="false" DECIMALS="4" PREVIOUS="minimumcount" NEXT="conditioncombination"/>
+        <FIELD NAME="conditioncombination" TYPE="char" LENGTH="3" NOTNULL="true" DEFAULT="all" SEQUENCE="false" PREVIOUS="minimumpercent" NEXT="action"/>
+        <FIELD NAME="action" TYPE="char" LENGTH="15" NOTNULL="true" SEQUENCE="false" PREVIOUS="conditioncombination"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="scorm_rolluprule_uniq"/>
@@ -181,11 +181,11 @@
     </TABLE>
     <TABLE NAME="scorm_seq_rolluprulecond" COMMENT="SCORM2004 sequencing rule" PREVIOUS="scorm_seq_rolluprule">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="scoid"/>
-        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="rollupruleid"/>
-        <FIELD NAME="rollupruleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="scoid" NEXT="operator"/>
-        <FIELD NAME="operator" TYPE="char" LENGTH="5" NOTNULL="true" DEFAULT="noOp" SEQUENCE="false" ENUM="false" PREVIOUS="rollupruleid" NEXT="cond"/>
-        <FIELD NAME="cond" TYPE="char" LENGTH="25" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="operator"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="scoid"/>
+        <FIELD NAME="scoid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="rollupruleid"/>
+        <FIELD NAME="rollupruleid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="scoid" NEXT="operator"/>
+        <FIELD NAME="operator" TYPE="char" LENGTH="5" NOTNULL="true" DEFAULT="noOp" SEQUENCE="false" PREVIOUS="rollupruleid" NEXT="cond"/>
+        <FIELD NAME="cond" TYPE="char" LENGTH="25" NOTNULL="true" SEQUENCE="false" PREVIOUS="operator"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="scorm_rulluprulecond_uniq"/>
diff --git a/mod/survey/db/install.xml b/mod/survey/db/install.xml
index bee107fd75..051a13c3af 100644
--- a/mod/survey/db/install.xml
+++ b/mod/survey/db/install.xml
@@ -6,16 +6,16 @@
   <TABLES>
     <TABLE NAME="survey" COMMENT="Each record is one SURVEY module with its configuration" NEXT="survey_questions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="template"/>
-        <FIELD NAME="template" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="days"/>
-        <FIELD NAME="days" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="template" NEXT="timecreated"/>
-        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="days" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="timecreated" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="intro text field format" PREVIOUS="intro" NEXT="questions"/>
-        <FIELD NAME="questions" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="introformat"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="template"/>
+        <FIELD NAME="template" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="course" NEXT="days"/>
+        <FIELD NAME="days" TYPE="int" LENGTH="6" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="template" NEXT="timecreated"/>
+        <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="days" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="timecreated" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="timemodified" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="intro text field format" PREVIOUS="intro" NEXT="questions"/>
+        <FIELD NAME="questions" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="introformat"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -26,13 +26,13 @@
     </TABLE>
     <TABLE NAME="survey_questions" COMMENT="the questions conforming one survey" PREVIOUS="survey" NEXT="survey_answers">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="text"/>
-        <FIELD NAME="text" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="shorttext"/>
-        <FIELD NAME="shorttext" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="text" NEXT="multi"/>
-        <FIELD NAME="multi" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="shorttext" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="multi" NEXT="type"/>
-        <FIELD NAME="type" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="options"/>
-        <FIELD NAME="options" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="type"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="text"/>
+        <FIELD NAME="text" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="shorttext"/>
+        <FIELD NAME="shorttext" TYPE="char" LENGTH="30" NOTNULL="true" SEQUENCE="false" PREVIOUS="text" NEXT="multi"/>
+        <FIELD NAME="multi" TYPE="char" LENGTH="100" NOTNULL="true" SEQUENCE="false" PREVIOUS="shorttext" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" PREVIOUS="multi" NEXT="type"/>
+        <FIELD NAME="type" TYPE="int" LENGTH="3" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="intro" NEXT="options"/>
+        <FIELD NAME="options" TYPE="text" LENGTH="small" NOTNULL="false" SEQUENCE="false" PREVIOUS="type"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -40,13 +40,13 @@
     </TABLE>
     <TABLE NAME="survey_answers" COMMENT="the answers to each questions filled by the users" PREVIOUS="survey_questions" NEXT="survey_analysis">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="survey"/>
-        <FIELD NAME="survey" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="survey" NEXT="time"/>
-        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="answer1"/>
-        <FIELD NAME="answer1" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="time" NEXT="answer2"/>
-        <FIELD NAME="answer2" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="answer1"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="survey"/>
+        <FIELD NAME="survey" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="survey" NEXT="time"/>
+        <FIELD NAME="time" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="question" NEXT="answer1"/>
+        <FIELD NAME="answer1" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="time" NEXT="answer2"/>
+        <FIELD NAME="answer2" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="answer1"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="survey"/>
@@ -59,10 +59,10 @@
     </TABLE>
     <TABLE NAME="survey_analysis" COMMENT="text about each survey submission" PREVIOUS="survey_answers">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="survey"/>
-        <FIELD NAME="survey" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="survey" NEXT="notes"/>
-        <FIELD NAME="notes" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="survey"/>
+        <FIELD NAME="survey" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="survey" NEXT="notes"/>
+        <FIELD NAME="notes" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="survey"/>
diff --git a/mod/wiki/db/install.xml b/mod/wiki/db/install.xml
index d079818edb..f4131885ed 100644
--- a/mod/wiki/db/install.xml
+++ b/mod/wiki/db/install.xml
@@ -6,23 +6,23 @@
   <TABLES>
     <TABLE NAME="wiki" COMMENT="Main wik table" NEXT="wiki_entries">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="intro"/>
-        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="introformat"/>
-        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="intro text field format" PREVIOUS="intro" NEXT="pagename"/>
-        <FIELD NAME="pagename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="introformat" NEXT="wtype"/>
-        <FIELD NAME="wtype" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="group" SEQUENCE="false" ENUM="false" PREVIOUS="pagename" NEXT="ewikiprinttitle"/>
-        <FIELD NAME="ewikiprinttitle" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="wtype" NEXT="htmlmode"/>
-        <FIELD NAME="htmlmode" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="ewikiprinttitle" NEXT="ewikiacceptbinary"/>
-        <FIELD NAME="ewikiacceptbinary" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="htmlmode" NEXT="disablecamelcase"/>
-        <FIELD NAME="disablecamelcase" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="ewikiacceptbinary" NEXT="setpageflags"/>
-        <FIELD NAME="setpageflags" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="disablecamelcase" NEXT="strippages"/>
-        <FIELD NAME="strippages" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="setpageflags" NEXT="removepages"/>
-        <FIELD NAME="removepages" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="strippages" NEXT="revertchanges"/>
-        <FIELD NAME="revertchanges" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="removepages" NEXT="initialcontent"/>
-        <FIELD NAME="initialcontent" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="revertchanges" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="initialcontent"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="course" NEXT="intro"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="name" NEXT="introformat"/>
+        <FIELD NAME="introformat" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="intro text field format" PREVIOUS="intro" NEXT="pagename"/>
+        <FIELD NAME="pagename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="introformat" NEXT="wtype"/>
+        <FIELD NAME="wtype" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="group" SEQUENCE="false" PREVIOUS="pagename" NEXT="ewikiprinttitle"/>
+        <FIELD NAME="ewikiprinttitle" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="wtype" NEXT="htmlmode"/>
+        <FIELD NAME="htmlmode" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="ewikiprinttitle" NEXT="ewikiacceptbinary"/>
+        <FIELD NAME="ewikiacceptbinary" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="htmlmode" NEXT="disablecamelcase"/>
+        <FIELD NAME="disablecamelcase" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="ewikiacceptbinary" NEXT="setpageflags"/>
+        <FIELD NAME="setpageflags" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="disablecamelcase" NEXT="strippages"/>
+        <FIELD NAME="strippages" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="setpageflags" NEXT="removepages"/>
+        <FIELD NAME="removepages" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="strippages" NEXT="revertchanges"/>
+        <FIELD NAME="revertchanges" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="1" SEQUENCE="false" PREVIOUS="removepages" NEXT="initialcontent"/>
+        <FIELD NAME="initialcontent" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="revertchanges" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="initialcontent"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -33,13 +33,13 @@
     </TABLE>
     <TABLE NAME="wiki_entries" COMMENT="Holds entries for each wiki start instance" PREVIOUS="wiki" NEXT="wiki_pages">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="wikiid"/>
-        <FIELD NAME="wikiid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="course"/>
-        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="wikiid" NEXT="groupid"/>
-        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="course" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="pagename"/>
-        <FIELD NAME="pagename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="timemodified"/>
-        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="pagename"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="wikiid"/>
+        <FIELD NAME="wikiid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="course"/>
+        <FIELD NAME="course" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="wikiid" NEXT="groupid"/>
+        <FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="course" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="groupid" NEXT="pagename"/>
+        <FIELD NAME="pagename" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="userid" NEXT="timemodified"/>
+        <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="pagename"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="wikiid"/>
@@ -54,19 +54,19 @@
     </TABLE>
     <TABLE NAME="wiki_pages" COMMENT="Holds the Wiki-Pages" PREVIOUS="wiki_entries" NEXT="wiki_locks">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="pagename"/>
-        <FIELD NAME="pagename" TYPE="char" LENGTH="160" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="version"/>
-        <FIELD NAME="version" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="pagename" NEXT="flags"/>
-        <FIELD NAME="flags" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="version" NEXT="content"/>
-        <FIELD NAME="content" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="flags" NEXT="author"/>
-        <FIELD NAME="author" TYPE="char" LENGTH="100" NOTNULL="false" DEFAULT="ewiki" SEQUENCE="false" ENUM="false" PREVIOUS="content" NEXT="userid"/>
-        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="author" NEXT="created"/>
-        <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid" NEXT="lastmodified"/>
-        <FIELD NAME="lastmodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="created" NEXT="refs"/>
-        <FIELD NAME="refs" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="lastmodified" NEXT="meta"/>
-        <FIELD NAME="meta" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" ENUM="false" PREVIOUS="refs" NEXT="hits"/>
-        <FIELD NAME="hits" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="meta" NEXT="wiki"/>
-        <FIELD NAME="wiki" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="hits"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="pagename"/>
+        <FIELD NAME="pagename" TYPE="char" LENGTH="160" NOTNULL="true" SEQUENCE="false" PREVIOUS="id" NEXT="version"/>
+        <FIELD NAME="version" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="pagename" NEXT="flags"/>
+        <FIELD NAME="flags" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="version" NEXT="content"/>
+        <FIELD NAME="content" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" PREVIOUS="flags" NEXT="author"/>
+        <FIELD NAME="author" TYPE="char" LENGTH="100" NOTNULL="false" DEFAULT="ewiki" SEQUENCE="false" PREVIOUS="content" NEXT="userid"/>
+        <FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="author" NEXT="created"/>
+        <FIELD NAME="created" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="userid" NEXT="lastmodified"/>
+        <FIELD NAME="lastmodified" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="created" NEXT="refs"/>
+        <FIELD NAME="refs" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" PREVIOUS="lastmodified" NEXT="meta"/>
+        <FIELD NAME="meta" TYPE="text" LENGTH="medium" NOTNULL="false" SEQUENCE="false" PREVIOUS="refs" NEXT="hits"/>
+        <FIELD NAME="hits" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="meta" NEXT="wiki"/>
+        <FIELD NAME="wiki" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="hits"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="wiki"/>
@@ -78,12 +78,12 @@
     </TABLE>
     <TABLE NAME="wiki_locks" COMMENT="Stores editing locks on Wiki pages" PREVIOUS="wiki_pages">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="wikiid"/>
-        <FIELD NAME="wikiid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="pagename"/>
-        <FIELD NAME="pagename" TYPE="char" LENGTH="160" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="wikiid" NEXT="lockedby"/>
-        <FIELD NAME="lockedby" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="If the page is or was locked, this field holds the userid of the locker" PREVIOUS="pagename" NEXT="lockedsince"/>
-        <FIELD NAME="lockedsince" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Time (seconds since epoch) at which lock began" PREVIOUS="lockedby" NEXT="lockedseen"/>
-        <FIELD NAME="lockedseen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Time (seconds since epoch) at which lock was last reconfirmed (we ignore lock if this is &amp;gt;2 mins ago)" PREVIOUS="lockedsince"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="wikiid"/>
+        <FIELD NAME="wikiid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="pagename"/>
+        <FIELD NAME="pagename" TYPE="char" LENGTH="160" NOTNULL="true" SEQUENCE="false" PREVIOUS="wikiid" NEXT="lockedby"/>
+        <FIELD NAME="lockedby" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="If the page is or was locked, this field holds the userid of the locker" PREVIOUS="pagename" NEXT="lockedsince"/>
+        <FIELD NAME="lockedsince" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Time (seconds since epoch) at which lock began" PREVIOUS="lockedby" NEXT="lockedseen"/>
+        <FIELD NAME="lockedseen" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Time (seconds since epoch) at which lock was last reconfirmed (we ignore lock if this is &amp;gt;2 mins ago)" PREVIOUS="lockedsince"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="wikiid"/>
diff --git a/portfolio/type/mahara/db/install.xml b/portfolio/type/mahara/db/install.xml
index 7d2c840adc..8c576e0da0 100644
--- a/portfolio/type/mahara/db/install.xml
+++ b/portfolio/type/mahara/db/install.xml
@@ -6,9 +6,9 @@
   <TABLES>
     <TABLE NAME="portfolio_mahara_queue" COMMENT="maps mahara tokens to transfer ids">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="transferid"/>
-        <FIELD NAME="transferid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="fk to portfolio_tempdata.id" PREVIOUS="id" NEXT="token"/>
-        <FIELD NAME="token" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="the token mahara sent us to use for this transfer." PREVIOUS="transferid"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="transferid"/>
+        <FIELD NAME="transferid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" COMMENT="fk to portfolio_tempdata.id" PREVIOUS="id" NEXT="token"/>
+        <FIELD NAME="token" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" COMMENT="the token mahara sent us to use for this transfer." PREVIOUS="transferid"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="transferfk"/>
diff --git a/question/type/calculated/db/install.xml b/question/type/calculated/db/install.xml
index a4eebafb15..8e1135b336 100644
--- a/question/type/calculated/db/install.xml
+++ b/question/type/calculated/db/install.xml
@@ -3,13 +3,13 @@
   <TABLES>
     <TABLE NAME="question_calculated" COMMENT="Options for questions of type calculated" NEXT="question_dataset_definitions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="answer"/>
-        <FIELD NAME="answer" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="tolerance"/>
-        <FIELD NAME="tolerance" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="0.0" SEQUENCE="false" ENUM="false" PREVIOUS="answer" NEXT="tolerancetype"/>
-        <FIELD NAME="tolerancetype" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="tolerance" NEXT="correctanswerlength"/>
-        <FIELD NAME="correctanswerlength" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="2" SEQUENCE="false" ENUM="false" PREVIOUS="tolerancetype" NEXT="correctanswerformat"/>
-        <FIELD NAME="correctanswerformat" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="2" SEQUENCE="false" ENUM="false" PREVIOUS="correctanswerlength"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="answer"/>
+        <FIELD NAME="answer" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="question" NEXT="tolerance"/>
+        <FIELD NAME="tolerance" TYPE="char" LENGTH="20" NOTNULL="true" DEFAULT="0.0" SEQUENCE="false" PREVIOUS="answer" NEXT="tolerancetype"/>
+        <FIELD NAME="tolerancetype" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="tolerance" NEXT="correctanswerlength"/>
+        <FIELD NAME="correctanswerlength" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="2" SEQUENCE="false" PREVIOUS="tolerancetype" NEXT="correctanswerformat"/>
+        <FIELD NAME="correctanswerformat" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="2" SEQUENCE="false" PREVIOUS="correctanswerlength"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
@@ -21,12 +21,12 @@
     </TABLE>
     <TABLE NAME="question_dataset_definitions" COMMENT="Organises and stores properties for dataset items" PREVIOUS="question_calculated" NEXT="question_dataset_items">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="category"/>
-        <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
-        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="category" NEXT="type"/>
-        <FIELD NAME="type" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="options"/>
-        <FIELD NAME="options" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="type" NEXT="itemcount"/>
-        <FIELD NAME="itemcount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="options"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="category"/>
+        <FIELD NAME="category" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="name"/>
+        <FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="category" NEXT="type"/>
+        <FIELD NAME="type" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" PREVIOUS="name" NEXT="options"/>
+        <FIELD NAME="options" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="type" NEXT="itemcount"/>
+        <FIELD NAME="itemcount" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="options"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="category"/>
@@ -35,10 +35,10 @@
     </TABLE>
     <TABLE NAME="question_dataset_items" COMMENT="Individual dataset items" PREVIOUS="question_dataset_definitions" NEXT="question_datasets">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="definition"/>
-        <FIELD NAME="definition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="itemnumber"/>
-        <FIELD NAME="itemnumber" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="definition" NEXT="value"/>
-        <FIELD NAME="value" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="itemnumber"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="definition"/>
+        <FIELD NAME="definition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="itemnumber"/>
+        <FIELD NAME="itemnumber" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="definition" NEXT="value"/>
+        <FIELD NAME="value" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="itemnumber"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
@@ -49,9 +49,9 @@
     </TABLE>
     <TABLE NAME="question_datasets" COMMENT="Many-many relation between questions and dataset definitions" PREVIOUS="question_dataset_items">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="datasetdefinition"/>
-        <FIELD NAME="datasetdefinition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="question"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="datasetdefinition"/>
+        <FIELD NAME="datasetdefinition" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="question"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
diff --git a/question/type/match/db/install.xml b/question/type/match/db/install.xml
index 39eb05114d..78cb64986a 100644
--- a/question/type/match/db/install.xml
+++ b/question/type/match/db/install.xml
@@ -3,10 +3,10 @@
   <TABLES>
     <TABLE NAME="question_match" COMMENT="Defines fixed matching questions" NEXT="question_match_sub">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="subquestions"/>
-        <FIELD NAME="subquestions" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="shuffleanswers"/>
-        <FIELD NAME="shuffleanswers" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" PREVIOUS="subquestions"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="subquestions"/>
+        <FIELD NAME="subquestions" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="question" NEXT="shuffleanswers"/>
+        <FIELD NAME="shuffleanswers" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" PREVIOUS="subquestions"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
@@ -15,11 +15,11 @@
     </TABLE>
     <TABLE NAME="question_match_sub" COMMENT="Defines the subquestions that make up a matching question" PREVIOUS="question_match">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="code"/>
-        <FIELD NAME="code" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Should this point to parent question_match-&amp;gt;id ?" PREVIOUS="id" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="code" NEXT="questiontext"/>
-        <FIELD NAME="questiontext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="question" NEXT="answertext"/>
-        <FIELD NAME="answertext" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="questiontext"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="code"/>
+        <FIELD NAME="code" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Should this point to parent question_match-&amp;gt;id ?" PREVIOUS="id" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="code" NEXT="questiontext"/>
+        <FIELD NAME="questiontext" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="question" NEXT="answertext"/>
+        <FIELD NAME="answertext" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="questiontext"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
diff --git a/question/type/multianswer/db/install.xml b/question/type/multianswer/db/install.xml
index 2b1f27054d..753bd5fe3a 100644
--- a/question/type/multianswer/db/install.xml
+++ b/question/type/multianswer/db/install.xml
@@ -3,9 +3,9 @@
   <TABLES>
     <TABLE NAME="question_multianswer" COMMENT="Options for multianswer questions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="sequence"/>
-        <FIELD NAME="sequence" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="question"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="id" NEXT="sequence"/>
+        <FIELD NAME="sequence" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" PREVIOUS="question"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
diff --git a/question/type/multichoice/db/install.xml b/question/type/multichoice/db/install.xml
index c3ea52d111..8a50ff9d03 100644
--- a/question/type/multichoice/db/install.xml
+++ b/question/type/multichoice/db/install.xml
@@ -6,16 +6,16 @@
   <TABLES>
     <TABLE NAME="question_multichoice" COMMENT="Options for multiple choice questions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question.id" PREVIOUS="id" NEXT="layout"/>
-        <FIELD NAME="layout" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Not used. Was intended for a vertical/horizontal layout option. See MDL-18445." PREVIOUS="question" NEXT="answers"/>
-        <FIELD NAME="answers" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Redundant. Comma-separated list of question_answer ids. SELECT id FROM question_answers WHERE question = ? ORDER BY id." PREVIOUS="layout" NEXT="single"/>
-        <FIELD NAME="single" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="If 0 it multiple response (checkboxes). Otherwise it is radio buttons." PREVIOUS="answers" NEXT="shuffleanswers"/>
-        <FIELD NAME="shuffleanswers" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" ENUM="false" COMMENT="Whether the choices can be randomly shuffled." PREVIOUS="single" NEXT="correctfeedback"/>
-        <FIELD NAME="correctfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Feedback shown for any correct response." PREVIOUS="shuffleanswers" NEXT="partiallycorrectfeedback"/>
-        <FIELD NAME="partiallycorrectfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Feedback shown for any partially correct response." PREVIOUS="correctfeedback" NEXT="incorrectfeedback"/>
-        <FIELD NAME="incorrectfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Feedback shown for any incorrect response." PREVIOUS="partiallycorrectfeedback" NEXT="answernumbering"/>
-        <FIELD NAME="answernumbering" TYPE="char" LENGTH="10" NOTNULL="true" DEFAULT="abc" SEQUENCE="false" ENUM="false" COMMENT="Indicates how and whether the choices should be numbered." PREVIOUS="incorrectfeedback"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question.id" PREVIOUS="id" NEXT="layout"/>
+        <FIELD NAME="layout" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Not used. Was intended for a vertical/horizontal layout option. See MDL-18445." PREVIOUS="question" NEXT="answers"/>
+        <FIELD NAME="answers" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="Redundant. Comma-separated list of question_answer ids. SELECT id FROM question_answers WHERE question = ? ORDER BY id." PREVIOUS="layout" NEXT="single"/>
+        <FIELD NAME="single" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="If 0 it multiple response (checkboxes). Otherwise it is radio buttons." PREVIOUS="answers" NEXT="shuffleanswers"/>
+        <FIELD NAME="shuffleanswers" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="false" DEFAULT="1" SEQUENCE="false" COMMENT="Whether the choices can be randomly shuffled." PREVIOUS="single" NEXT="correctfeedback"/>
+        <FIELD NAME="correctfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" COMMENT="Feedback shown for any correct response." PREVIOUS="shuffleanswers" NEXT="partiallycorrectfeedback"/>
+        <FIELD NAME="partiallycorrectfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" COMMENT="Feedback shown for any partially correct response." PREVIOUS="correctfeedback" NEXT="incorrectfeedback"/>
+        <FIELD NAME="incorrectfeedback" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" COMMENT="Feedback shown for any incorrect response." PREVIOUS="partiallycorrectfeedback" NEXT="answernumbering"/>
+        <FIELD NAME="answernumbering" TYPE="char" LENGTH="10" NOTNULL="true" DEFAULT="abc" SEQUENCE="false" COMMENT="Indicates how and whether the choices should be numbered." PREVIOUS="incorrectfeedback"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
diff --git a/question/type/numerical/db/install.xml b/question/type/numerical/db/install.xml
index c2eef1699b..731cfe9a1d 100644
--- a/question/type/numerical/db/install.xml
+++ b/question/type/numerical/db/install.xml
@@ -6,10 +6,10 @@
   <TABLES>
     <TABLE NAME="question_numerical" COMMENT="Options for numerical questions." NEXT="question_numerical_units">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Redundant, because of the answer field. Foreign key references question.id." PREVIOUS="id" NEXT="answer"/>
-        <FIELD NAME="answer" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question_answers.id." PREVIOUS="question" NEXT="tolerance"/>
-        <FIELD NAME="tolerance" TYPE="char" LENGTH="255" NOTNULL="true" DEFAULT="0.0" SEQUENCE="false" ENUM="false" COMMENT="Allowed error when matching a response to this answer. I don't know why this is stored as a string." PREVIOUS="answer"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Redundant, because of the answer field. Foreign key references question.id." PREVIOUS="id" NEXT="answer"/>
+        <FIELD NAME="answer" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question_answers.id." PREVIOUS="question" NEXT="tolerance"/>
+        <FIELD NAME="tolerance" TYPE="char" LENGTH="255" NOTNULL="true" DEFAULT="0.0" SEQUENCE="false" COMMENT="Allowed error when matching a response to this answer. I don't know why this is stored as a string." PREVIOUS="answer"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
@@ -21,10 +21,10 @@
     </TABLE>
     <TABLE NAME="question_numerical_units" COMMENT="Optional unit options for numerical questions. This table is also used by the calculated question type." PREVIOUS="question_numerical">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question.id" PREVIOUS="id" NEXT="multiplier"/>
-        <FIELD NAME="multiplier" TYPE="number" LENGTH="40" NOTNULL="true" UNSIGNED="false" DEFAULT="1.00000000000000000000" SEQUENCE="false" ENUM="false" DECIMALS="20" COMMENT="The multiplier for this unit. For example, if the first unit is (1.0, 'cm'), another unit might be (0.1, 'mm') or (100.0, 'm')." PREVIOUS="question" NEXT="unit"/>
-        <FIELD NAME="unit" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="The unit. For example 'm' or 'kg'." PREVIOUS="multiplier"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question.id" PREVIOUS="id" NEXT="multiplier"/>
+        <FIELD NAME="multiplier" TYPE="number" LENGTH="40" NOTNULL="true" UNSIGNED="false" DEFAULT="1.00000000000000000000" SEQUENCE="false" DECIMALS="20" COMMENT="The multiplier for this unit. For example, if the first unit is (1.0, 'cm'), another unit might be (0.1, 'mm') or (100.0, 'm')." PREVIOUS="question" NEXT="unit"/>
+        <FIELD NAME="unit" TYPE="char" LENGTH="50" NOTNULL="true" SEQUENCE="false" COMMENT="The unit. For example 'm' or 'kg'." PREVIOUS="multiplier"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
diff --git a/question/type/randomsamatch/db/install.xml b/question/type/randomsamatch/db/install.xml
index d96837d811..164af920ad 100644
--- a/question/type/randomsamatch/db/install.xml
+++ b/question/type/randomsamatch/db/install.xml
@@ -6,9 +6,9 @@
   <TABLES>
     <TABLE NAME="question_randomsamatch" COMMENT="Info about a random short-answer matching question">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question.id." PREVIOUS="id" NEXT="choose"/>
-        <FIELD NAME="choose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="4" SEQUENCE="false" ENUM="false" COMMENT="Number of subquestions to randomly generate." PREVIOUS="question"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question.id." PREVIOUS="id" NEXT="choose"/>
+        <FIELD NAME="choose" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="4" SEQUENCE="false" COMMENT="Number of subquestions to randomly generate." PREVIOUS="question"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
diff --git a/question/type/shortanswer/db/install.xml b/question/type/shortanswer/db/install.xml
index 59cb529f84..8aaf8e2629 100644
--- a/question/type/shortanswer/db/install.xml
+++ b/question/type/shortanswer/db/install.xml
@@ -6,10 +6,10 @@
   <TABLES>
     <TABLE NAME="question_shortanswer" COMMENT="Options for short answer questions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question.id." PREVIOUS="id" NEXT="answers"/>
-        <FIELD NAME="answers" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Redundant. Comma-separated list of question_answer ids. SELECT id FROM question_answers WHERE question = ? ORDER BY id." PREVIOUS="question" NEXT="usecase"/>
-        <FIELD NAME="usecase" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Whether answers are matched case-sensitively." PREVIOUS="answers"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question.id." PREVIOUS="id" NEXT="answers"/>
+        <FIELD NAME="answers" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="Redundant. Comma-separated list of question_answer ids. SELECT id FROM question_answers WHERE question = ? ORDER BY id." PREVIOUS="question" NEXT="usecase"/>
+        <FIELD NAME="usecase" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="false" DEFAULT="0" SEQUENCE="false" COMMENT="Whether answers are matched case-sensitively." PREVIOUS="answers"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
diff --git a/question/type/truefalse/db/install.xml b/question/type/truefalse/db/install.xml
index e34649d76f..c5ca5266a2 100644
--- a/question/type/truefalse/db/install.xml
+++ b/question/type/truefalse/db/install.xml
@@ -6,10 +6,10 @@
   <TABLES>
     <TABLE NAME="question_truefalse" COMMENT="Options for True-False questions">
       <FIELDS>
-        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="question"/>
-        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question.id." PREVIOUS="id" NEXT="trueanswer"/>
-        <FIELD NAME="trueanswer" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question_answers.id. The 'True' choice." PREVIOUS="question" NEXT="falseanswer"/>
-        <FIELD NAME="falseanswer" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" COMMENT="Foreign key references question_answers.id. The 'False' choice." PREVIOUS="trueanswer"/>
+        <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" NEXT="question"/>
+        <FIELD NAME="question" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question.id." PREVIOUS="id" NEXT="trueanswer"/>
+        <FIELD NAME="trueanswer" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question_answers.id. The 'True' choice." PREVIOUS="question" NEXT="falseanswer"/>
+        <FIELD NAME="falseanswer" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="Foreign key references question_answers.id. The 'False' choice." PREVIOUS="trueanswer"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" NEXT="question"/>
-- 
2.39.5