如何彻底卸载MySQL
本文摘自：http://www.heiqu.com/show-64764-1.html 内容为： 由于安装MySQL的时候，疏忽没有选择底层编码方式，采用默认的ASCII的编码式，于是接二连三的中文转换问题随之而来，就想卸载了重新安装MYSQL，这一卸载倒是出了问题，导致安装的时候安装不上，在
本文摘自：http://www.heiqu.com/show-64764-1.html
内容为：
由于安装MySQL的时候，疏忽没有选择底层编码方式，采用默认的ASCII的编码格式，于是接二连三的中文转换问题随之而来，就想卸载了重新安装MYSQL，这一卸载倒是出了问题，导致安装的时候安装不上，在网上找了一个多小时也没解决。
重装系统永远是个好办法，但有谁喜欢这么做呀:(
后来无意发现是卸载的时候没有卸载完全导致，下面给出完整的卸载MySQL 5.1的卸载方法：
1、控制面板里的增加删除程序内进行删除
2、删除MySQL文件夹下的my.ini文件，如果备份好，可以直接将文件夹全部删除
3、开始->运行-> regedit 看看注册表里这几个地方删除没有
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\Application\MySQL 目录删除
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Eventlog\Application\MySQL 目录删除
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\Application\MySQL 目录删除（我卸载的时候没有找到，略过后仍达到完全卸载的目的。）
4、运行cmd，利用sc delete mysql命令将mysql服务删除。
5、这一条是很关键的
在C：中搜索关键字mysql，将所有列出项删除。
注意：Application Data这个文件夹是隐藏的，需要打开个文件夹选择菜单栏 工具→文件夹选项→查看→隐藏文件和文件夹 一项选上 显示所有文件和文件夹 确定
以上4步完成，重启 OK！再次安装吧
注：
如果安装后没有mysql服务项，则于cmd中运行mysql安装目录中的"bin\mysqld.exe -install"，来手动安装！
D:\PHP\MySQL Server 5.5\bin>mysqld.exe -install
Service successfully installed.
D:\PHP\MySQL Server 5.5\bin>
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