Glad it’s worked out!
Unfortunately, I’ve never tried that myself but I doubt it would indeed be as easy as a few lines of code. Would you mind expanding on the reasons you would like to switch to a MySQL database? It may not be necessary for your needs.
As a side note, you will see in the Github discussion that led to this rock-on that, this point was indeed debated and a much more “powerful”–but also complex from a user-friendliness perspective–offering will be developed in the future. See below for more details: