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: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
| User: ; |
+---------------------------------------+
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 ;
+-------------------------------------------------------------------------------------------------------------------+
| Grants for |
+-------------------------------------------------------------------------------------------------------------------+
| GRANT PROCESS, SUPER ON *.* TO IDENTIFIED BY PASSWORD '*DAFF917B80E3314B1ABECBA9DF8785AFD342CE89' |
| GRANT ALL PRIVILEGES ON `cacti`.* TO |
+-------------------------------------------------------------------------------------------------------------------+
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)
