mysql-1

[root@VM_27_98_centos ~]# mysql -uroot -p           
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.1.73 Source distribution

Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.


创建用户并授权
mysql> grant all privileges on *.* to whh@'%' identified by '123456';
Query OK, 0 rows affected (0.00 sec)

查看用户具体授权
mysql> show grants for whh@'%';
+------------------------------------------+
| Grants for whh@%                         |
+------------------------------------------+
| GRANT ALL PRIVILEGES ON *.* TO 'whh'@'%' |
+------------------------------------------+
1 row in set (0.00 sec)


取消授权

mysql> revoke all on *.* from whh@'%';

Query OK, 0 rows affected (0.00 sec)

mysql> show grants for 'whh'@'%' ;
+---------------------------------+
| Grants for whh@% |
+---------------------------------+
| GRANT USAGE ON *.* TO 'whh'@'%' |
+---------------------------------+
1 row in set (0.00 sec)

删除用户

mysql> drop user 'whh'@'%';
Query OK, 0 rows affected (0.01 sec)

mysql> use study;
mysql> source C:\MySQL\create.sql
mysql> source C:\MySQL\populate.sql