The Free On-line Dictionary of Computing (30 December 2018):

MySQL

    /mi: S Q L/ The most popular open source
   relational database management system.  MySQL is developed,
   distributed, and supported by MySQL AB.

   MySQL was named after co-founder Monty Widenius's daughter,
   My.  It was originally written as a backwards compatible
   replacement for mSQL.  It is written in C, C++ and
   yacc.  It has become popular for use in web applications.

   MySQL supports a broad subset of ANSI SQL 99 and features
   views, stored procedures, triggers, cursors,
   replication, internationalisation and localisation,
   partitioning, ACID transactions.  MySQL can be embedded in
   other systems or run on a cluster for fault tolerance.  A
   commercial version, MySQL Enterprise is available.

   MySQL Home (http://mysql.com/).

   (2009-05-11)