MySQL计划任务(事件调度器) Event Scheduler介绍_MySQL
bitsCN.com
要查看当前是否已开启事件调度器，可执行如下SQL：
SHOW VARIABLES LIKE 'event_scheduler';
或
SELECT @@event_scheduler;
或
SHOW PROCESSLIST;
若显示：
+-----------------+-------+
| Variable_name | Value |
+-----------------+-------+
| event_scheduler | OFF |
+-----------------+-------+
则可执行
SET GLOBAL event_scheduler = 1;
或
SET GLOBAL event_scheduler = ON;
来开启，也可以直接在启动命令加上“
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