alter Table CustomFieldValues ADD Column Category varchar(255); UPDATE CustomFieldValues SET Category = (SELECT Content FROM Attributes WHERE Name = 'Category' AND ObjectType = 'RT::CustomFieldValue' AND CustomFieldValues.id = Attributes.ObjectId); DELETE FROM Attributes WHERE Name = 'Category' AND ObjectType = 'RT::CustomFieldValue'; ALTER TABLE Groups ADD COLUMN Creator integer NOT NULL DEFAULT 0, ADD COLUMN Created DATETIME NULL, ADD COLUMN LastUpdatedBy integer NOT NULL DEFAULT 0, ADD COLUMN LastUpdated DATETIME NULL; ALTER TABLE GroupMembers ADD COLUMN Creator integer NOT NULL DEFAULT 0, ADD COLUMN Created DATETIME NULL, ADD COLUMN LastUpdatedBy integer NOT NULL DEFAULT 0, ADD COLUMN LastUpdated DATETIME NULL; ALTER TABLE ACL ADD COLUMN Creator integer NOT NULL DEFAULT 0, ADD COLUMN Created DATETIME NULL, ADD COLUMN LastUpdatedBy integer NOT NULL DEFAULT 0, ADD COLUMN LastUpdated DATETIME NULL;