Databases & Data Storage

MySQL

Definition

MySQL is an open-source relational database management system (RDBMS). Its name is a combination of "My", the name of co-founder Michael Widenius's daughter, and "SQL", the acronym for Structured Query Language.

Why It Matters

MySQL is one of the most popular and widely used open-source databases in the world. It is a core component of the LAMP stack (Linux, Apache, MySQL, PHP/Python/Perl) that has powered a huge portion of the web for decades.

Contextual Example

Many popular applications and websites, including Facebook, YouTube, and WordPress, were built using MySQL.

Common Misunderstandings

  • MySQL is now owned by Oracle Corporation.
  • MariaDB is a popular, community-driven fork of MySQL created by its original developers.

Related Terms

Last Updated: December 17, 2025