mysql管理用户

[root@ZAMPDMP-02 ~]# mysql -uroot -p

Enter password: 

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 2317

Server version: 5.6.30-log 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.

mysql> select user,host,password from mysql.user;

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

| user    | host       | password                                  |

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

| root    | localhost  | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| root    | zampdmp-02 |                                           |

| root    | 127.0.0.1  |                                           |

| root    | ::1        |                                           |

|         | localhost  |                                           |

|         | zampdmp-02 |                                           |

| hivedb  | localhost  | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| hivedb  | %          | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| root    | %          | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| etler   | %          | *8C377BBE4E13B4FA9AB2727937F3FEF047DB0AAF |

| exposer | %          | *1B5955820D31F633B073D0A326801133A15DE967 |

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

11 rows in set (0.00 sec)

mysql> select user,host,password from mysql.user where password=‘‘;

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

| user | host       | password |

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

| root | zampdmp-02 |          |

| root | 127.0.0.1  |          |

| root | ::1        |          |

|      | localhost  |          |

|      | zampdmp-02 |          |

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

5 rows in set (0.00 sec)

mysql> GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘zampdmp-02‘  IDENTIFIED BY PASSWORD ‘*225AF6FA78393CB66A2CF30F85001B643546ED44‘ WITH GRANT OPTION

    -> ;

Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘127.0.0.1‘  IDENTIFIED BY PASSWORD ‘*225AF6FA78393CB66A2CF30F85001B643546ED44‘ WITH GRANT OPTION;

Query OK, 0 rows affected (0.00 sec)

mysql> select user,host,password from mysql.user where password=‘‘;

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

| user | host       | password |

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

| root | ::1        |          |

|      | localhost  |          |

|      | zampdmp-02 |          |

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

3 rows in set (0.00 sec)

mysql> select user,host,password from mysql.user;

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

| user    | host       | password                                  |

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

| root    | localhost  | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| root    | zampdmp-02 | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| root    | 127.0.0.1  | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| root    | ::1        |                                           |

|         | localhost  |                                           |

|         | zampdmp-02 |                                           |

| hivedb  | localhost  | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| hivedb  | %          | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| root    | %          | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| etler   | %          | *8C377BBE4E13B4FA9AB2727937F3FEF047DB0AAF |

| exposer | %          | *1B5955820D31F633B073D0A326801133A15DE967 |

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

11 rows in set (0.00 sec)

mysql> select user,host,password from mysql.user where password = ‘‘;

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

| user | host       | password |

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

| root | ::1        |          |

|      | localhost  |          |

|      | zampdmp-02 |          |

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

3 rows in set (0.00 sec)

mysql> delete from mysql.user where password=‘‘;

Query OK, 3 rows affected (0.00 sec)

mysql> select user,host,password from mysql.user where password = ‘‘;

Empty set (0.00 sec)

mysql> select user,host,password from mysql.user;

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

| user    | host       | password                                  |

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

| root    | localhost  | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| root    | zampdmp-02 | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| root    | 127.0.0.1  | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| hivedb  | localhost  | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| hivedb  | %          | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| root    | %          | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| etler   | %          | *8C377BBE4E13B4FA9AB2727937F3FEF047DB0AAF |

| exposer | %          | *1B5955820D31F633B073D0A326801133A15DE967 |

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

8 rows in set (0.00 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql> grant all privileges on *.* to ‘hivedb‘@‘zampdmp-02‘ identified by ‘*1F4A2E1E0471EC60934CC4896B8B03BC64E80B58‘  with grant options;

ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘options‘ at line 1

mysql> grant all privileges on *.* to ‘hivedb‘@‘zampdmp-02‘ identified by ‘*1F4A2E1E0471EC60934CC4896B8B03BC64E80B58‘  with grant option;

Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> select user,host,password from mysql.user;

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

| user    | host       | password                                  |

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

| root    | localhost  | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| root    | zampdmp-02 | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| root    | 127.0.0.1  | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| hivedb  | zampdmp-02 | *9AE5587FACBA2EE66D40CE18BAC51361FD134B42 |

| hivedb  | localhost  | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| hivedb  | %          | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| root    | %          | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| etler   | %          | *8C377BBE4E13B4FA9AB2727937F3FEF047DB0AAF |

| exposer | %          | *1B5955820D31F633B073D0A326801133A15DE967 |

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

9 rows in set (0.00 sec)

mysql> grant all privileges on *.* to ‘hivedb‘@‘127.0.0.1‘ identified by ‘*1F4A2E1E0471EC60934CC4896B8B03BC64E80B58‘  with grant option;

Query OK, 0 rows affected (0.00 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql> select user,host,password from mysql.user;

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

| user    | host       | password                                  |

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

| root    | localhost  | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| root    | zampdmp-02 | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| root    | 127.0.0.1  | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| hivedb  | 127.0.0.1  | *9AE5587FACBA2EE66D40CE18BAC51361FD134B42 |

| hivedb  | zampdmp-02 | *9AE5587FACBA2EE66D40CE18BAC51361FD134B42 |

| hivedb  | localhost  | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| hivedb  | %          | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| root    | %          | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| etler   | %          | *8C377BBE4E13B4FA9AB2727937F3FEF047DB0AAF |

| exposer | %          | *1B5955820D31F633B073D0A326801133A15DE967 |

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

10 rows in set (0.00 sec)

mysql> delete from mysql.user where user=root and host=zampdmp-02;

ERROR 1054 (42S22): Unknown column ‘root‘ in ‘where clause‘

mysql> delete from mysql.user where user=‘root‘ and host=‘zampdmp-02‘;

Query OK, 1 row affected (0.00 sec)

mysql> delete from mysql.user where user=‘hivedb‘ and host=‘zampdmp-02‘;

Query OK, 1 row affected (0.00 sec)

mysql> select user,host,password from mysql.user;

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

| user    | host      | password                                  |

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

| root    | localhost | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| root    | 127.0.0.1 | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| hivedb  | 127.0.0.1 | *9AE5587FACBA2EE66D40CE18BAC51361FD134B42 |

| hivedb  | localhost | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| hivedb  | %         | *1F4A2E1E0471EC60934CC4896B8B03BC64E80B58 |

| root    | %         | *225AF6FA78393CB66A2CF30F85001B643546ED44 |

| etler   | %         | *8C377BBE4E13B4FA9AB2727937F3FEF047DB0AAF |

| exposer | %         | *1B5955820D31F633B073D0A326801133A15DE967 |

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

8 rows in set (0.00 sec)

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql> exit

Bye

[root@ZAMPDMP-02 ~]# mysql -uroot -p -hzampdmp-02

Enter password: 

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 2336

Server version: 5.6.30-log 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.

mysql> show databases;

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

| Database           |

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

| information_schema |

| david              |

| elita              |

| exp                |

| hivedb             |

| mysql              |

| olap               |

| performance_schema |

| pub                |

| test               |

| tmp                |

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

11 rows in set (0.00 sec)

mysql> use tmp

Database changed

mysql> show tables;

Empty set (0.00 sec)

mysql> use exp

Reading table information for completion of table and column names

You can turn off this feature to get a quicker startup with -A

Database changed

mysql> show tables;

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

| Tables_in_exp      |

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

| export_segment_day |

| segment_status     |

| segment_total      |

| segment_trait      |

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

4 rows in set (0.00 sec)

本文出自 “梅花香自苦寒来！” 博客，请务必保留此出处http://daixuan.blog.51cto.com/5426657/1840383

mysql管理用户

原文：http://daixuan.blog.51cto.com/5426657/1840383