Tecadmin published a tutorial about installing MariaDB on Ubuntu 20.04.

How to Install MariaDB on Ubuntu 20.04

MariaDB is an opensource relational database server. Which is made by the original developers of MySQL. MariaDB intended to maintain high compatibility with the MySQL server, APIs and commands. This tutorial will help you to install Mariadb database server on your Ubuntu 20.04 LTS system. 

How to Install MariaDB on Ubuntu 20.04