mysql数据库用户管理和权限控制

1 用户管理

1.1 查询用户

USE mysql;
SELECT * FROM user;

1.2 创建用户

CREATE USER '用户名'@'主机名' IDENTIFIED BY '123456';
-- 允许所有主机链接
CREATE USER 'siyuan'@'%' IDENTIFIED BY '123456';

1.3 修改用户密码

ALTER USER '用户名'@'主机名' IDENTIFIED WITH mysal_native_password BY '123456';

1.4 删除用户

DROP USER '用户名@'主机名';

2 权限控制

2.1 查询用户权限

show grants for 'siyuan'@'localhost';

2.2 授予权限

grant all on `ry-vue`.* to 'siyuan'@'localhost';

2.3 取消权限

revoke all on `ry-vue`.* from 'siyuan'@'localhost'

2.4 多个权限用逗号隔开：

ALL,ALL PRIVILEGES,SELECT,INSERT,UPDATE,DELETE,ALTER,DROP,CREATE