oracle 8.1.7 update as_items set feedback_right=empty_clob(), feedback_wrong=empty_clob(), validate_block=empty_clob() where as_item_id=:as_item_id returning feedback_right, feedback_wrong, validate_block into :1, :2, :3 update as_items set feedback_right=empty_clob(), feedback_wrong=empty_clob(), validate_block=empty_clob() where as_item_id=:new_item_id returning feedback_right, feedback_wrong, validate_block into :1, :2, :3