MySQL is a relational database management system RDBMS developed by Oracle that is based on structured query language . It's important to note that database is a structured collection of data it may be anything from a simple shopping list to pictures in a gallery.MySQL is integral to many of the most popular software stacks for building and maintaining everything from customer-facing applications to data-driven B2B services. Its open-source nature, stability and rich feature set paired with ongoing development and support from Oracle, have meant that internet critical organizations such as Facebook, Instagram, Twitter, and Youtube all employ MySQL backends. So the key point to understand here is what is difference between SQL and MySQL so in short MySQL is an extension of original SQL standards.SQL is composed of four sublanguages each with different scope and they are 1.DQL -Data Query Language 2.DDL -Data Definition Language 3rd one is DCL - Data Control Language and the fourth one is DML- Data Manipulation Language