<http://schema.org/articleBody>
"Jeff, I would ask myself if this condition (the field becoming negative) happens very often. If it does not, maybe the best in performance terms would be isolating the programs that allow this condition to happen and change them accordingly. On the other hand, a trigger such as the one you need is very simple, and perhaps it would not have much impact in performance terms and (maybe) it could be a better solution, depending to your business's needs. HTH, Luis Luis Rodriguez IBM Certified Systems Expert 014;..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://archive.midrange.com/midrange-l/201405/msg01064.html>