How to Install Mysql latest version 5.7.12 in Centos 7.2

This video explains how to install mysql in CentOS 7.2. MySQL is a relational database management system (RDBMS) that runs as a server.
For more explanation on this video: https://www.linuxhelp.com/install-mysql-latest-version-5-7-12-centos/

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centos 7