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：
复制代码 代码如下:C:UsersAdministrator>cd C:Program FilesMySQLMySQL Server 5.5bin

2.停止MySQL服务

C:Program FilesMySQLMySQL Server 5.5bin>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
复制代码 代码如下:C:Program FilesMySQLMySQL Server 5.5bin>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:mysql5.5bin目录，启动mysql

C:Program FilesMySQLMySQL Server 5.5bin>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 FilesMySQLMySQL Server 5.5bin>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 FilesMySQLMySQL Server 5.5bin>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,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。

以上就是本文的全部内容，希望对大家的学习有所帮助。

（编辑：李大同）

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