小编给大家分享一下如何查看MySQL数据库中所有用户及拥有权限，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！
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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)
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