Coco_chun的博客

删除用户drop user 'schedule-service'@'%';删除授权revoke all privileges on schedule_service.* from 'schedule-service'@'%';创建用户create user 'schedule-service'@'%' identified with mysql_native_password BY 'schedule-service';授权grant all privilege...

链接https://blog.youkuaiyun.com/u012551928/article/details/93739934

1关联查询更新UPDATE bLEFT JOIN a ON a.id = b.idSET b.xxx= a.xxx1;

1centos7.4yum安装https://www.cnblogs.com/opsprobe/p/10681063.html

创建数据库create database if not exists数据库名 default character set utf8mb4 default collate utf8mb4_general_ci;