修改mysql数据库登陆用户的密码

命令行进入mysql:

首先确认环境变量里面有如下配置:C:\Program Files\MySQL\MySQL Server 5.5\bin

才能在进入黑窗口直接适用mysql命令,否则需要在黑窗口进入mysql的bin目录在执行mysql命令.

使用 root 和123456登陆:

C:\Documents and Settings\Administrator>mysql -u root -p

Enter password: ******

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

Your MySQL connection id is 25

Server version: 5.5.19 MySQL Community Server (GPL)

Copyright (c) 2000, 2011, 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>

===========================================================

mysql> show databases;

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

| Database |

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

| information_schema |

| dmp |

| hdmp |

| hms |

| mysql |

| ods_produce |

| performance_schema |

| test |

| wms |

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

9 rows in set (0.02 sec)

mysql> use mysql;

Database changed

mysql> update user set password=PASSWORD("123456") WHERE user='root'

mysql> FLUSH PRIVILEGES;
mysql> QUIT

======================================================

mysql数据库文件默认存放路径:C:\Documents and Settings\All Users\Application Data\MySQL\MySQL Server 5.5\data