query:
	START TRANSACTION ; dml ; dml ; dml ; dml ; dml ; dml ; dml ; dml ; COMMIT ;

transaction:
	START TRANSACTION | COMMIT ;

dml:
	insert | update ;

insert:
	INSERT INTO _table VALUES ( value );

update:
	UPDATE _table SET _field = value  WHERE _field sign value ;

sign:
	< | > ;

value:
	_time;