SQL stands for Structured Query Language. SQL is a standard programming language specifically designed for storing, retrieving, managing, or manipulating data inside a relational database management system (RDBMS).
The data in RDBMS is stored in database objects called tables. A table is a collection of related data entries and it consists of columns and rows. MySQL is an open source software, backed by Oracle. MySQL is pretty easy to master in comparison to other database software like Oracle Database, or Microsoft SQL Server.
MySQL can run on various platforms UNIX, Linux, Windows, etc. You can install it on a server or even on a desktop. In addition, MySQL is reliable, scalable, and fast.
If you develop websites or web applications, MySQL is a good choice.