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NOT EXISTS vs. NOT IN (Why do I get a different output?)

AquaNX4Jun 10 2014 — edited Jun 10 2014

Banu.  When I put AND instead of OR, it brought back 6,489 rows.  Sometimes when it rains, it POURS.  Now I am utterly confused. 

OR operator = 1,169 rows

AND operator = 6,489 rows

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Locked on Jul 8 2014
Added on Jun 10 2014
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