决赛内容

mysql 创建用户 访问权限开放

进入MySQL MySQL -uroot -p

修改密码策略 set global validate_password_policy=0; set global validate_password_length=4; alter user 'root'@'localhost' identified by '123456'; 创建用户 create user 'root'@'%' identified by '123456'; grant all privileges on *.* to 'root'@'%' with grant option; flush privileges;