Ok, I wasn't sure whether that was something that could be spun off to a thread or not. These tables would only need to be dropped and rebuilt once each time a new merchant (or several) was added though, right? So just once after restarting the server post-add, it wouldn't even need an interactive command. That part was just my overactive imagination at odd, early morning hours after little sleep.
Edit: OK, when I go to back up my PEQ server before messing with it (i.e.: installing your solo server files, or just messing with things on my own), I am using HeidiSQL and doing "Export to SQL". Should I tick the Drop (and Create) boxes for databases and tables, so that if I need to restore after I inevitably mess up, it will drop all the tables (and the bad data) and restore it to completely pristine condition, or just the Create boxes?