It is an open- source relational database management (RDBMS). It is owned and developed by Oracle Corporation which has source code and is available under the terms of the General Public License and also under a variety of patented contracts. It’s firstly introduced in 1995 which is under the GNU GPL License.
MySQL gained popularity in the web application world due to its LAMP. LAMP (Linux-Apache-MySQL-PHP) is a software stack which can be found in several web applications.