创建用户
CREATE USER 'username'@'%' IDENTIFIED BY 'password';
授权
GRANT all privileges ON databasename.tablename TO 'username'@'%' (with grant option);
加with grant option表示允许将权限赋予别的用户
设置与更改用户密码
SET PASSWORD FOR 'username'@'%' = PASSWORD('newpassword');
撤销用户权限
REVOKE privilege ON databasename.tablename FROM 'username'@'%';
查看用户权限
SHOW GRANTS FOR 'username'@'%';
删除用户
DROP USER 'username'@'%';
对账户重命名
rename user 'old_username'@'%' to 'new_username'@'%';
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