MariaDB is new database system and it the updated version of MySQL release from the same branch and in most respects MariaDB will work exactly as MySQL. All commands, interfaces, libraries and APIs that exist in MySQL also exist in MariaDB and no need to convert databases to switch to MariaDB. It intends to maintain high compatibility with MySQL, ensuring a drop-in replacement capability with library binary equivalency and exact matching with MySQL APIs and commands and also includes the XtraDB storage engine for replacing InnoDB as well as a new storage engine.