Index: lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dbupdates/patch20180515.sql
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diff -u -rb32657226efa9a6bb90a1c12a69e82a5acde2e80 -r48d58adcaf83f5bd984de1df100225116cb369ee
--- lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dbupdates/patch20180515.sql	(.../patch20180515.sql)	(revision b32657226efa9a6bb90a1c12a69e82a5acde2e80)
+++ lams_tool_assessment/src/java/org/lamsfoundation/lams/tool/assessment/dbupdates/patch20180515.sql	(.../patch20180515.sql)	(revision 48d58adcaf83f5bd984de1df100225116cb369ee)
@@ -4,7 +4,7 @@
 ----------------------Put all sql statements below here-------------------------
 
 -- LDEV-4582 Option to add prefix letter to assessment MCQ answers 
-ALTER TABLE tl_laasse10_assessment_question ADD COLUMN prefix_answers_with_letters TINYINT(1);
+ALTER TABLE tl_laasse10_assessment_question ADD COLUMN prefix_answers_with_letters TINYINT(1) NOT NULL DEFAULT 0;
 
 ----------------------Put all sql statements above here-------------------------