Aaron

http://support.microsoft.com/kb/248915
    
It sounds like you're hinting that the adjacency model is not the way to go? I 
should have specified that I'm not building this from scratch. I'm working with 
pre-existing structures and code (pre-MX and cfcs). So any changes must coexist 
with the existing structure (adjacency model) for now. 

I'm not arguing the merits of one method over the other. I agree there are 
different advantages to each approach.  I think the original designers went 
with the adjacency model because they expected a lot of structural changes 
which can be a more expensive operation when using nested sets. But as you 
hinted, querying a hierarchy is usually easier with nested sets :)

Truthfully I'm not always a fan of the adjacency model. But thats what I've got 
to work with right now. If you have any thoughts about converting it to 
something more managable or performant without drastically disturbing the 
existing structure I'm "all ears".  

Janet


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