salix/db/routines/vn/triggers/parking_beforeUpdate.sql

DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` TRIGGER `vn`.`parking_beforeUpdate`
	BEFORE UPDATE ON `parking`
	FOR EACH ROW
BEGIN

	-- SET new.`code` = CONCAT(new.`column`,' - ',new.`row`) ;
    
END$$
DELIMITER ;