MySQL and MariaDB are two popular relational database management systems used by developers worldwide. While both databases share a common ancestry, they have some key differences that are worth considering when choosing a database for your application.

MySQL is an open-source database that was first released in 1995. It's used by many of the world's largest organizations and is well-known for its scalability and performance. MySQL is also highly customizable and includes a range of features such as replication, partitioning, and clustering that make it suitable for a wide range of applications.

MariaDB, on the other hand, is a community-driven fork of MySQL that was first released in 2009. It was created to provide a more open and transparent alternative to MySQL and includes a range of additional features such as improved replication, enhanced security, and improved compatibility with other databases.

One of the main differences between MySQL and MariaDB is their licensing. MySQL is owned by Oracle Corporation and is available under both open-source and commercial licenses, while MariaDB is fully open-source and distributed under the GNU General Public License.

Another key difference between the two databases is their development process. While MySQL is developed and maintained by Oracle, MariaDB is developed by a community of developers and includes contributions from a range of organizations.

Overall, both MySQL and MariaDB are highly capable and widely used relational databases. The choice between the two will ultimately depend on your specific needs, including factors such as licensing, compatibility, and support. Whether you choose MySQL or MariaDB, both databases provide powerful and flexible tools for managing your data and building robust applications.