Mike,
> thanks for this. we will stick with the relational model. Hey, don't make your decision entirely based on my advice. Do some research! I'm just responding "off the cuff" to your questions. If you do take the relational approach, post some sample problems here and people can help you with how to represent XML data relationally. -- -Josh Berkus Aglio Database Solutions San Francisco ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster