...I had believed that no databases would be kept on gun ownership, that it was specifically prohibited,...
It doesn’t matter one bit. Legal prohibitions are meaningless to the usurper in the once revered Oval Office.
This is EXACTLY why no one should submit to any registration of their firearms, period. Some states do that routinely now, NJ for instance and HI obviously. So, NEVER ever register a firearm no matter what new law gets passed.