Installation and introduction of Mysql-day1 database

First, the installation steps of MySQL

Take version 5.7.20 For example:

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Second, configure environment variables

1th Step: Right-click on the computer-Properties-Advanced system settings-environment variables

2nd Step:

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Locate the MySQL installation location and copy the path to the bin directory

4th Step:

The environment variable is completed by placing the path of the MySQL bin directory just copied into the environment variable

Installation and introduction of Mysql-day1 database