mysql卸载注意事项_MySQL
由于数据库软件十分的复杂，不管是Mysql还是sqlserver安装都有很多配置要选择。
假若你第一次安装数据库失败，然后又想卸载，又再次安装，这时可能由于你第一次的卸载不完全，会导致你第二次安装时出现错误（比如说安装进度停在一处，不动了），这是因为安装路径上残留上次安装的文件，再一次安装时会冲突，要想再次安装我们必须把第一次安装的程序彻底删除干净。
以我的电脑为例，首先我们可以利用先前mysql的“安装向导”卸载，但此时会有残留，我们打开“我的电脑”进入C盘，C盘里隐藏了一个文件，这个文件比较重要，所以系统一般都把他给隐藏了，所以我们打开C盘，工具->文件夹选项->查看->隐藏文件与文件夹 然后把“显示隐藏文件”打钩，此时就可以看到ProgramData文件了，打开进入删除“mysql”文件夹，具体步骤如图：
然后使用卸载工具（360卸载或者系统自带的卸载都可以）卸载mysql。
最后一步，把mysql的安装目录下的文件夹也删除了（若不存在了，则证明卸载程序时同时被删除了），此时我们已经把mysql删除干净了，现在在进行安装就没有问题了。安装教程网上有很多，可以自己搜索一下。安装好以后，我们打开“任务管理器”查看一下”服务”中是否有的我们的mysql服务,如图：
这样是验证安装的对不对,服务存在并且开启,则证明mysql程序安装好了,并且也已经启动服务.我们亦可以下载一个可视化的管理软件（sqlyog），来配合我们的使用 ，毕竟字符界面下的操作不是很方便.
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