query:
	transaction | dml | dml | dml | dml | dml ;

transaction:
	START TRANSACTION | COMMIT | ROLLBACK ;

dml:
	insert | update ;

insert:
	INSERT IGNORE INTO _table ( _field ) VALUES ( value );

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

sign:
	< | > | = ;

value:
	_bit ;