Windows Server 2003下修改MySQL 5.5数据库data目录_MySQL
说明：
操作系统：Windows Server 2003
MySQL版本：5.5.25
MySQL程序安装目录：D:\Program Files\MySQL\MySQL Server 5.5\
MySQL数据库目录：C:\Documents and Settings\All Users\Application Data\MySQL\MySQL Server 5.5\data
需求：修改MySQL数据库目录为D:\Program Files\MySQL\MySQL Server 5.5\data
具体操作：
一、停止MySQL
开始-运行-cmd
net stop mysql55
二、复制原来数据库存放目录到新目录
1、备份D:\Program Files\MySQL\MySQL Server 5.5\中的data目录为data-bak
2、复制C:\Documents and Settings\All Users\Application Data\MySQL\MySQL Server 5.5\中的data目录到
D:\Program Files\MySQL\MySQL Server 5.5\目录下
三、修改MySQL配置文件
1、用记事本打开C:\Documents and Settings\All Users\Application Data\MySQL\MySQL Server 5.5\目录下
my.ini
找到datadir="C:\Documents and Settings\All Users\Application Data\MySQL\MySQL Server 5.5\data\"
在前面加#注释掉，
再下面添加一行datadir="D:\Program Files\MySQL\MySQL Server 5.5\data"
改完成后，保存退出。
2、复制C:\Documents and Settings\All Users\Application Data\MySQL\MySQL Server 5.5\目录下的my.ini到
D:\Program Files\MySQL\MySQL Server 5.5\目录下
四、重新启动MySQL
1、开始-运行-cmd
net start mysql55
2、进入MySQL控制台
开始-程序-MySQL-MySQL Server 5.5-MySQL 5.5 Command Line Client
提示输入MySQL root账号的密码，输入之后回车，进入MySQL控制台
show variables like '%datadir%'; #查询MySQL数据库存放目录，如下图所示
可以看到MySQL数据库存放目录已经修改为D:\Program Files\MySQL\MySQL Server 5.5\data
至此，Windows Server 2003下修改MySQL 5.5数据库目录完成
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