I could help you get the desired result in SQL Server, however, that might not work for you. You could try on a forum based on MariaDB which is what your DB seems to be on.
Luis C.
General Disclaimer:
Are you seriously taking the advice and code from someone from the internet without testing it? Do you at least understand it? Or can it easily kill your server?
How to post data/code on a forum to get the best help: Option 1 / Option 2