It would be better if the database were architected slightly different, but 
that's not an option at the present time.

The following query is similar to one I posted several days ago. I am wondering 
if anyone can offer any assistance on how to improve it's performance. 

Here is the query:

http://pastie.org/2347990


Here is the EXPLAIN statement:

http://pastie.org/2347981


I think that I have indexes in all the right places, but I'm not as experienced 
with UNIONS. Anything I can do to speed this up? It's taking 5 seconds to run.


wade

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