Installation and uninstallation of MySQL software for windows

One 、 uninstall

1、 Software uninstall

Mode one ： Through the control panel

Mode two ： Uninstall through software such as computer housekeeper

Mode three ： Uninstall through the uninstall function provided in the installation package

2、 Clean up the residual files

If the installation is not successful again , You can uninstall and clean up the residual files before installing

（1） Clear the residual installation files

（2） Clear residual data files

Please make data backup before unloading

3、 Clean up the registry

If you did the first two steps , The installation failed again , Then you can clean the registry

1：HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Eventlog\Application\MySQL service Directory delete

2：HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\MySQL service Directory delete

3：HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\Eventlog\Application\MySQL service Directory delete

4：HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\MySQL service Directory delete

5：HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Eventlog\Application\MySQL Service directory delete

6：HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MySQL Service deletion

In the registry ControlSet001,ControlSet002, Is not necessarily 001 and 002, May be ControlSet005、006 And so on

Two 、 install

（1） Ready to install

（2） Welcome to install

（3） License agreement

（4） Choose installation mode

Typical： Indicates that commonly used components will be installed , Installed to by default ”C:\Program Files\MySQL\MySQL Server 5.5\” Next .

Complete： Indicates that all components will be installed . This kit will take up a large amount of disk space .

Custom： Indicates that the user can select the components to be installed , You can change the default path . This type is the most flexible , For advanced users .

（5） Select the installation components and installation path

Here you can choose which parts to install , Two paths can be set here ：

MySQL Server Installation path of application software , Default in “C:\Program Files\MySQL\MySQL Server 5.5\”

Server data files Directory path of the data store , Default in “C:\ProgramData\MySQL\MySQL Server 5.5\”

It is recommended to modify the directory path of data storage , In case of system crash or data retention during system reinstallation .

（6） Start installation

Installation progress

The system will show MySQL Enterprise edition （ Enterprise Edition ） Introduce some functions of the interface , You can click “Next” continue .

（7） installation is complete

single click “Finish” Button to complete the installation process . If you want to configure the database connection now , choice “Launch the MySQL Instance Configuration Wizard” Check box . If it is not configured now , If you want to configure or reconfigure in the future, you can do so in “MySQL Server” Of the installation directory bin Under the table of contents （ for example ：D:\ProgramFiles\MySQL5.5\MySQL Server 5.5\bin） find “MySQLInstanceConfig.exe” open “MySQL Instance Configuration Wizard” The wizard .

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