MySQL DBA常用脚本

MySQL DBA常用脚本

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1、编码相关

1.1、查看表编码、引擎、大等各类信息

SHOW TABLE STATUS FROM hive LIKE '%zeus_worker%';

1.2、修改表编码

--修改表编码为utf8
ALTER TABLE test CONVERT TO CHARACTER SET utf8;
--查看修改结果
SHOW CREATE TABLE test;

2、调度器相关

2.1、查看/启用调度器并创建调度

SHOW VARIABLES LIKE '%scheduler%';

SET GLOBAL event_scheduler = 1;

CREATE EVENT purge_binary_logs
ON SCHEDULE EVERY 1 DAY
DO
PURGE BINARY LOGS BEFORE DATE_SUB(NOW( ),INTERVAL 3 DAY);

SHOW EVENTS;

ALTER EVENT purge_binary_logs ENABLE;

3、日志相关