Mysql创建事件删除两分钟之前的数据,这道题怎么写
创建存储过程
DELIMITER //
CREATE PROCEDURE autodel()
-> BEGIN
-> delete From webserver_monitormemory where DATE(time) <= DATE(DATE_SUB(NOW(),INTERVAL 2 minute));
-> END
-> //
DELIMITER ;
创建事件,定制每天执行autodel的存储过程:
CREATE EVENT `event_auto_del_memorydata`
ON SCHEDULE EVERY 1 DAY STARTS '2017-11-20 00:00:00'
ON COMPLETION NOT PRESERVE ENABLE DO CALL autodel();