查看MYSQL数据库中所有用户及拥有权限

查看MYSQL数据库中所有用户及拥有权限

原文地址：http://blog.chinaunix.net/uid-21505614-id-302263.html

查看MYSQL数据库中所有用户

mysql> SELECT DISTINCT CONCAT('User: ''',user,'''@''',host,''';') AS query FROM mysql.user;

+---------------------------------------+

| query |

+---------------------------------------+

| User: 'cactiuser'@'%';
|

| User: 'common_user'@'%';
|

| User: 'dba'@'%';
|

| User: 'root'@'%';
|

| User: 'slave'@'%';
|

| User: 'wtgame'@'%';
|

| User: 'root'@'127.0.0.1';
|

| User: 'webman'@'127.0.0.1';
|

| User: 'root'@'192.168.166.200';
|

| User: 'cactiuser'@'192.168.166.202';
|

| User: 'root'@'192.168.166.202';
|

| User: ''@'localhost';
|

| User: 'cacti'@'localhost';
|

| User: 'cactiuser'@'localhost';
|

| User: 'dba'@'localhost';
|

| User: 'extmail'@'localhost';
|

| User: 'javauser'@'localhost';
|

| User: 'root'@'localhost';
|

| User: 'webman'@'localhost';
|

| User: ''@'localhost.localdomain';
|

| User: 'root'@'localhost.localdomain';
|

+---------------------------------------+

21 rows in set (0.01 sec)

查看数据库中具体某个用户的权限

mysql> show grants for 'cactiuser'@'%';

+-------------------------------------------------------------------------------------------------------------------+

| Grants for cactiuser@%
|

+-------------------------------------------------------------------------------------------------------------------+

| GRANT PROCESS, SUPER ON *.* TO 'cactiuser'@'%' IDENTIFIED
BY PASSWORD '*DAFF917B80E3314B1ABECBA9DF8785AFD342CE89' |

| GRANT ALL PRIVILEGES ON `cacti`.* TO 'cactiuser'@'%'
|

+-------------------------------------------------------------------------------------------------------------------+

2 rows in set (0.00 sec)

mysql> select * from mysql.user where user='cactiuser' \G

*************************** 1. row ***************************

Host: %

User: cactiuser

Password: *DAFF917B80E3314B1ABECBA9DF8785AFD342CE89

Select_priv: N

Insert_priv: N

Update_priv: N

Delete_priv: N

Create_priv: N

Drop_priv: N

Reload_priv: N

Shutdown_priv: N

Process_priv: Y

File_priv: N

Grant_priv: N

References_priv: N

Index_priv: N

Alter_priv: N

Show_db_priv: N

Super_priv: Y

Create_tmp_table_priv: N

Lock_tables_priv: N

Execute_priv: N

Repl_slave_priv: N

Repl_client_priv: N

Create_view_priv: N

Show_view_priv: N

Create_routine_priv: N

Alter_routine_priv: N

Create_user_priv: N

Event_priv: N

Trigger_priv: N

ssl_type:

ssl_cipher:

x509_issuer:

x509_subject:

max_questions: 0

max_updates: 0

max_connections: 0

max_user_connections: 0

查看user表结构　需要具体的项可结合表结构来查询

mysql> desc mysql.user;

+-----------------------+-----------------------------------+------+-----+---------+-------+

| Field | Type | Null | Key | Default | Extra |

+-----------------------+-----------------------------------+------+-----+---------+-------+

| Host | char(60) | NO | PRI | | |

| User | char(16) | NO | PRI | | |

| Password | char(41) | NO | | | |

| Select_priv | enum('N','Y') | NO | | N | |

******************

******************

+-----------------------+-----------------------------------+------+-----+---------+-------+

39 rows in set (0.00 sec)