电光石火

2019-04-02 陌晴 阅读(189) 评论(0)

show variables like '%max_connections%'; 查看最大连接数set global max_connections=1000 重新设置，重启失效打开my.ini...

2018-12-18 陌晴 阅读(347) 评论(0)

MySQL文档地址： https://hub.docker.com/_/mysql/docker拉取MySQL镜像：docker pull mysql拉取成功后我们查看一下：docke...

2018-12-10 陌晴 阅读(368) 评论(0)

1，输入单个关键字“001”可查出四条数据，可实现的sql语句是：SELECT * FROM tbl_app_clinic_item WHERE CONCAT(applicationCode, ...

2018-12-08 陌晴 阅读(401) 评论(0)

创建存储过程时出错信息：ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, or READS SQL DAT...

2018-11-05 陌晴 阅读(435) 评论(0)

SELECT DATE_FORMAT(NOW(), '%Y-%m-%d %H:%i:%s')