query: insert | update | delete | xid_event ; xid_event: START TRANSACTION | COMMIT | ROLLBACK ; insert: INSERT INTO _table ( _field ) VALUES ( value ) ; update: UPDATE _table SET _field = value where ORDER BY _field ; delete: DELETE FROM _table where LIMIT 1 ; where: WHERE _field > value | WHERE _field < value | WHERE _field = value ; value: _letter | _english ; _field: _field_no_pk;