HSQLDB migration to mariadb

I am a newbie to Xwiki. I installed Xwiki with the default HSQLDB. What is the easiest way to convert or migrate to mariadb?
Thanks!

Hi, see https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/ImportExport and https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/Backup