Teach you how to run two or more MySQL databases at the same time in one system

First step 、 First install two mysql

Operation steps
The installation steps of each version are basically the same , You can refer to the following links ：
https://blog.csdn.net/weixin_50843918/article/details/122888392?spm=1001.2014.3001.5501

The second step 、 Modify the configuration file

Click the link that requires all configuration files （mysql8）：
https://blog.csdn.net/weixin_50843918/article/details/122894344?spm=1001.2014.3001.5501
Click the link that requires all configuration files （mysql5）:
https://blog.csdn.net/weixin_50843918/article/details/122894333?spm=1001.2014.3001.5501

Modify two versions mysql Configuration file in my.ini
Modify the port numbers in the two configuration files as follows ：

The second step 、 start-up mysql

Start two Mysql, View two in the service mysql Is there any error in the executable file of

Location of two services , Under the corresponding installation directory


Access to database

Distinguish two databases according to the port number ,-P3305 It's the port number . Because this database has no password , So don't write when logging in

Successful entry , Version as follows

If the port number is 3306 You don't have to write , Because the default is 3306. This database has been set with a password , So you need to input

Version number:

There is basically no problem following this step , You can leave a message if there is a problem or an error