MySQL user management

1.mysql Users of mainly include ordinary users and root user . The permissions of these two users are different .

（1）root user ： It's super administrator , Have all permissions .root User permissions include creating users 、 Delete user 、 Modify the password and other permissions of ordinary users .

（2） Ordinary users ： Only have the permissions given to the user when it is created .

        User management includes managing user permissions 、 Accounts, etc .

15.2 Account management

MySQL Account management includes login and logout MySQL The server , Create and delete users , Password management and authority management .