解决MySQL忘记密码问题的方法

为大家提供的MySQL忘记密码的解决方案，供大家参考，具体内容如下

1.在操作系统windows操作系统，xp或win7.中进入如下目录：

C:\Users\Administrator>cd C:\Program Files\MySQL\MySQL Server 5.5\bin

2.停止MySQL服务

C:\Program Files\MySQL\MySQL Server 5.5\bin>net stop mysql
//MySQL 服务正在停止.
//MySQL 服务已成功停止。

3.跳过授权给表

C:\Program Files\MySQL\MySQL Server 5.5\bin>mysqld --skip-grant-tables

你会看到窗口光标在下一行的第一个位置闪烁，这说明已经启动了，不需要管。 

4. 新建一个命令行窗口同样进入到e:\mysql5.5\bin目录，启动mysql

C:\Program Files\MySQL\MySQL Server 5.5\bin>mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.5.36 MySQL Community Server (GPL)

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> show databases;
+--------------------+
| Database      |
+--------------------+
| information_schema |
| mysql       |
| performance_schema |
| test        |
+--------------------+
4 rows in set (0.00 sec)

5.选择mysql数据库

mysql> use mysql;
Database changed
mysql> update user set password=PASSWORD('root') where user='root';
Query OK, 2 rows affected (0.00 sec)
Rows matched: 2 Changed: 2 Warnings: 0

mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)

6.退出mysql终端：

mysql> quit
Bye

7.看看那任务管理器中是否有mysqld.exe进程，如有，kill .

8.启动mysql服务器

C:\Program Files\MySQL\MySQL Server 5.5\bin>net start mysql
//MySQL 服务正在启动 .
//MySQL 服务已经启动成功。

9.登录mysql服务器

C:\Program Files\MySQL\MySQL Server 5.5\bin>mysql -u root -p root
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.5.36 MySQL Community Server (GPL)

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>

以后再也不用担心MySQL忘记密码了。