MySQL用户的操作命令

1. 新建用户

mysql> create user oldboy@'10.0.0.%' identified by '123';
Query OK, 0 rows affected (0.00 sec)

  说明：
   8.0以前，可以自动创建用户并授权

mysql> grant all on *.* to oldguo@'10.0.0.%' identified by '123';

2. 查询用户

mysql> select user,host from mysql.user;
+---------------+-----------+
| user          | host      |
+---------------+-----------+
| southbay      | 10.0.0.%  |
| mysql.session | localhost |
| mysql.sys     | localhost |
| root          | localhost |
+---------------+-----------+
4 rows in set (0.00 sec)

3. 修改用户密码

mysql> alter user southbay@'10.0.0.%' identified by '123456';
Query OK, 0 rows affected (0.00 sec)

4. 删除用户

mysql> drop user southbay@'10.0.0.%';
Query OK, 0 rows affected (0.00 sec)

5. 权限授权

mysql> grant all on *.* to southbay@'10.0.0.%' identified by '123' with grant option;

with grant option    -----赋予管理员权限

权限列表：
ALL
SELECT,INSERT, UPDATE, DELETE, CREATE, DROP, RELOAD, SHUTDOWN, PROCESS, FILE, REFERENCES, INDEX, ALTER, SHOW DATABASES, SUPER, CREATE TEMPORARY TABLES, LOCK TABLES, EXECUTE, REPLICATION SLAVE, REPLICATION CLIENT, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE, CREATE USER, EVENT, TRIGGER, CREATE TABLESPACE

6. 查看权限

mysql> show grants for southbay@'10.0.0.%';
+---------------------------------------------+
| Grants for [email protected].%                |
+---------------------------------------------+
| GRANT USAGE ON *.* TO 'southbay'@'10.0.0.%' |
+---------------------------------------------+
1 row in set (0.00 sec)

7. 回收权限

mysql> revoke delete on *.* from southbay@'10.0.0.%';
Query OK, 0 rows affected (0.00 sec)