SET GLOBAL event_scheduler = ON;delimiter $$drop event if exists e_wom_stat;create event e_wom_staton schedule EVERY 1 day STARTS '2013-01-01 03:00:00'ON COMPLETION PRESERVE ENABLEdobegin delete from t_wom_random_num where time<(CURRENT_TIMESTAMP()+INTERVAL -25 MINUTE);end $$delimiter ;
?