Rudi,

> Do you think an Index or Seq. scan should be used?

That was way too much data for way too simple a question.  ;-)
The answer is: depends on how many rows you have.   With any significant 
number of rows, yes.

However, you probably only need to index the first 3-5 columns; that's 
selective enough.

-- 
-Josh Berkus
 "A developer of Very Little Brain"
 Aglio Database Solutions
 San Francisco


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