Good points, Ken.
So far, I have been successful running MariaDB 10.1.30 on my production server. I have also been able to backup this database, and import it into MySQL 5.6.35. But I will note your comment and be careful in the future.
"When you make your videos of 'Rick's Way', keep in mind, they probably should be revisited often as you might be sending 'trusting' Moodlers down a rabbit hole."