修改MySql用户密码

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SQL Life: 修改MySql用户密码
时间：2014/7/9 21:43:44 作者：solgle 来源：www.solgle.com 查看：2819 评论：0
内容摘要：方法一：[root@www.solgle.com var]# mysql -h localhost -u root -p Enter password:圀攀氀挀漀洀攀 to the MySQL monitor. Commands end with ; or \g...
方法一：
本文出自；http://www.solgle.com/news/?136.html

[root@www.solgle.com var]# mysql -h localhost -u root -p

Enter password:

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

Your MySQL connection id is 18

Server version: 5.6.20-enterprise-commercial-advanced MySQL Enterprise Server -

Advanced Edition (Commercial)

Copyright (c) 2000, 2014, 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> use mysql

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> SET PASSWORD FOR root=password('111111');

Query OK, 0 rows affected (0.00 sec)

mysql> quit

Bye

[root@www.solgle.com var]#

方法二：

mysql> use mysql

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> update user set password=password('111111') where user='root';

Query OK, 0 rows affected (0.03 sec)

Rows matched: 4 Changed: 0 Warnings: 0

mysql> flush privileges;

Query OK, 0 rows affected (0.01 sec)

mysql> quit

Bye

[root@www.solgle.com var]#

方法三：

1：更改root之前有密码的情况

[root@www.solgle.com var]# mysqladmin -u root -p222222 password "111111";

Warning: Using a password on the command line interface can be insecure.

[root@www.solgle.com var]#

2：更改之前root还没有密码

###[root@www.solgle.com var]# mysqladmin -u root -p111111 password "";

###Warning: Using a password on the command line interface can be insecure.

[root@www.solgle.com var]# mysqladmin -u root password "222222";

Warning: Using a password on the command line interface can be insecure.

[root@www.solgle.com var]#

创建一个用户test，对数据库solgle-db有权限

mysql> grant all on solgle-db.* to test identified by "111111";

Query OK, 0 rows affected (0.01 sec)

mysql> exit

Bye

---测试该用户

[root@www.solgle.com var]# mysql -u test -p

Enter password:

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

Your MySQL connection id is 47

Server version: 5.6.20-enterprise-commercial-advanced MySQL Enterprise Server -

Advanced Edition (Commercial)

Copyright (c) 2000, 2014, 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 count(1) from user;

ERROR 1046 (3D000): No database selected

mysql> use mysql

ERROR 1044 (42000): Access denied for user 'test'@'%' to database 'mysql'

mysql> use solgle-db

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> select count(1) from user;

ERROR 1146 (42S02): Table 'solgle-db.user' doesn't exist

mysql> select count(1) from users;

ERROR 1146 (42S02): Table 'solgle-db.users' doesn't exist

mysql> select count(1) from Users;

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

| count(1) |

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

| 3 |

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

1 row in set (0.01 sec)

mysql>

--从上面可以看出表名是要区分大小写的

标签：修改mysql密码修改mysql用户密码


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