仅新建一个newuser用户

方法一：

MariaDB [(none)]> create user newuser@localhost identified by '123456'; Query OK, 0 rows affected (0.22 sec) MariaDB [(none)]> select user from mysql.user; +---------+ | user | +---------+ | aa | | root | | root | | | | aa | | bb | | lcz | | my | | mytest | | newuser | | nome | | root | | | | root | +---------+ 14 rows in set (0.00 sec) MariaDB [(none)]>

方法二：

MariaDB [(none)]> insert into mysql.user(user,host,password) values('ggo','localhost',password('1234')); Query OK, 1 row affected, 4 warnings (0.24 sec) MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.25 sec)

效果

[root@localhost ~]# mysql -uggo -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or g. Your MariaDB connection id is 4 Server version: 5.5.52-MariaDB MariaDB Server Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others. Type 'help;' or 'h' for help. Type 'c' to clear the current input statement. MariaDB [(none)]>

新建一个my用户并且授权全部操作权限

MariaDB [(none)]> grant all privileges on *.* to my@localhost identified by '123456'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> select user from mysql.user; +--------+ | user | +--------+ | aa | | root | | root | | | | aa | | bb | | lcz | | my | | mytest | | nome | | root | | | | root | +--------+ 13 rows in set (0.14 sec) MariaDB [(none)]>

查看用户权限

MariaDB [(none)]> show grants for my@localhost; +--------------------------------------------------------------------------------------------------------------------+ | Grants for my@localhost | +--------------------------------------------------------------------------------------------------------------------+ | GRANT ALL PRIVILEGES ON *.* TO 'my'@'localhost' IDENTIFIED BY PASSWORD '*6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9' | +--------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.00 sec) MariaDB [(none)]>

指定部分授权

grant insert,update,delete,select on *.* to mytest@localhost;

原文出处：csdn -> http://blog.csdn.net/qq_34829953/article/details/76034420?utm_source=5ibc.net&utm_medium=referral