MySQL is an open source database management system, and it is the world's most popular database system. It is used by many organizations including Google, Facebook, YouTube and many others. SQL stands for Structured Query Language and is a database programming language, and it is quite easy to learn. MySQL is currently owned by the Oracle Corporation, so do not get it confused with SQL Server which is owned by Microsoft.
In this section we are going to learn about MySQL. We will use the MySQL Command Line Client (CLC or CLI (Command Line Interface)) to execute commands to the database.