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                創建存儲過程: ~~~ delimiter // CREATE PROCEDURE clean_expire_chk () BEGIN delete from zc_chkdup_stat where substring( starttime,1,8) < (date_format(adddate(CURDATE(),-8), '%Y%m%d')) ; END// delimiter ; ~~~ 定義定時任務: ~~~ SET GLOBAL event_scheduler = 1; CREATE EVENT IF NOT EXISTS event_clear_data_chk ON SCHEDULE EVERY 1 day starts '2008-03-27 09:00:00' ON COMPLETION PRESERVE DO CALL clean_expire_chk(); ~~~ 開啟定時任務: `ALTER EVENT event_clear_data_chk on COMPLETION PRESERVE ENABLE; ` 刪除存儲過程和定時任務: ~~~ drop PROCEDURE clean_expire_chk ; drop EVENT event_clear_data_chk ; ~~~
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