diff --git a/mod/forum/db/install.xml b/mod/forum/db/install.xml
index 557af631923..871a12ed100 100644
--- a/mod/forum/db/install.xml
+++ b/mod/forum/db/install.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="mod/forum/db" VERSION="20060811" COMMENT="XMLDB file for Moodle mod/forum">
+<XMLDB PATH="mod/forum/db" VERSION="20060828" COMMENT="XMLDB file for Moodle mod/forum"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
+>
   <TABLES>
     <TABLE NAME="forum" COMMENT="Forums contain and structure discussion" NEXT="forum_discussions">
       <FIELDS>
@@ -7,11 +10,9 @@
         <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="true" ENUMVALUES="'single', 'news', 'general', 'social', 'eachuser', 'teacher', 'qanda'" 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="open"/>
-        <FIELD NAME="open" TYPE="int" LENGTH="2" NOTNULL="true" UNSIGNED="true" DEFAULT="2" SEQUENCE="false" ENUM="false" PREVIOUS="intro" NEXT="assessed"/>
-        <FIELD NAME="assessed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="open" NEXT="assesspublic"/>
-        <FIELD NAME="assesspublic" TYPE="int" LENGTH="4" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assessed" NEXT="assesstimestart"/>
-        <FIELD NAME="assesstimestart" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="assesspublic" NEXT="assesstimefinish"/>
+        <FIELD NAME="intro" TYPE="text" LENGTH="small" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="assessed"/>
+        <FIELD NAME="assessed" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="intro" 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="forcesubscribe"/>