check all databases for errors
mariadb-check -u root -p<PASSWORD> -c -A
repair all databases
mariadb-check -u root -p<PASSWORD> -r -A
analyze all databases
mariadb-check -u root -p<PASSWORD> -a -A
optimize all databases
mariadb-check -u root -p<PASSWORD> -o -A
upgrade MariaDB
mariadb-upgrade -u root -p<PASSWORD>
