MySQL upgrade

One 、 Download the corresponding version and installation package from the official website

MySQL Official website ：https://downloads.mysql.com/archives/community/. As shown in the figure below , The frame is the version number from top to bottom , operating system 、 Operating system version / The number of bits and the corresponding installation package .

Two 、 Installation steps

2.1 See if it is installed MySQL database

2.2 Remove the installed lower version MySQL

2.3 install / Upgrade to a higher version of MySQL

2.4 Database initialization

2.5 Connect to database