--- C:/Users/HCL/Downloads/moodle/lib/db/install.xml	Thu Apr 18 19:49:40 2013
+++ C:/wamp/www/moodle/lib/db/install.xml	Fri May 03 19:08:44 2013
@@ -1313,7 +1313,7 @@
         <FIELD NAME="questiontextformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="questiontext" NEXT="generalfeedback"/>
         <FIELD NAME="generalfeedback" TYPE="text" NOTNULL="true" SEQUENCE="false" COMMENT="to store the question feedback" PREVIOUS="questiontextformat" NEXT="generalfeedbackformat"/>
         <FIELD NAME="generalfeedbackformat" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="generalfeedback" NEXT="defaultmark"/>
-        <FIELD NAME="defaultmark" TYPE="number" LENGTH="12" NOTNULL="true" DEFAULT="1" SEQUENCE="false" DECIMALS="7" PREVIOUS="generalfeedbackformat" NEXT="penalty"/>
+        <FIELD NAME="defaultmark" TYPE="char" LENGTH="12" NOTNULL="false" SEQUENCE="false"  PREVIOUS="generalfeedbackformat" NEXT="penalty"/>
         <FIELD NAME="penalty" TYPE="number" LENGTH="12" NOTNULL="true" DEFAULT="0.3333333" SEQUENCE="false" DECIMALS="7" PREVIOUS="defaultmark" 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" DEFAULT="1" SEQUENCE="false" PREVIOUS="qtype" NEXT="stamp"/>