MariaDB

https://blog.programs74.ru/how-to-install-mariadb-10-5-on-debian-10/

apt-get install -y mariadb-server libmariadbclient-dev libmariadbclient-dev-compat
systemctl status mariadb

sudo mysql_secure_installation

-- It does not ask me for any password
sudo mysql

-- Then in MariaDB/MySQL console:
UPDATE mysql.user SET plugin = 'mysql_native_password' WHERE USER='root';
FLUSH PRIVILEGES;
exit;