Not sure...but I do backups of the db weekly and of the forum files whenever I make a change.

Well being a nOOb in phpbb I have installed many, many mods. Somewhere 150 or so simply because I had no idea what they did (the descriptions tend to stink). It's a CH forum and is also very private (I dare anyone to try and register lol). Anyway when logged on sql queries on index.php run about 55 ...