Have you ever heard the expression "If you have a hammer, everything looks like a nail"? Or maybe in your case, "If you have a a dirty great big wrench, every nail, screw, thumb-tack and piece of blu-tac looks like it should be replaced with a dirty great big nut'n'bolt :)

Do you really import flat files into your DB for one-off column sums? You must have an awful lot of once-used, ever-to-be-forgotten junk lying around in DB(s).