Index: branches/RC/core/install/install_schema.sql
===================================================================
diff -u -N -r11599 -r11600
--- branches/RC/core/install/install_schema.sql	(.../install_schema.sql)	(revision 11599)
+++ branches/RC/core/install/install_schema.sql	(.../install_schema.sql)	(revision 11600)
@@ -33,6 +33,7 @@
   DisplayOrder int(11) NOT NULL default '0',
   OnGeneralTab tinyint(4) NOT NULL default '0',
   IsSystem tinyint(3) unsigned NOT NULL default '0',
+  IsRequired tinyint(3) unsigned NOT NULL default '0',
   PRIMARY KEY  (CustomFieldId),
   KEY `Type` (`Type`),
   KEY MultiLingual (MultiLingual),