1.查询所有用户
SELECT DISTINCT CONCAT('User: ''',user,'''@''',host,''';') AS query FROM mysql.user;
2.新建用户并设置密码
CREATE USER 'username' IDENTIFIED BY 'password';
或者
CREATE USER 'username'@'host' IDENTIFIED BY 'password';
username:用户名;host:指定在哪个主机上可以登录,本机可用localhost,%通配所有远程主机;password:用户登录密码;
3.用户授权