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Tuning question

From: <sergey_s_at_my-deja.com>
Date: 2000/07/25
Message-ID: <8ll1ur$ade$1@nnrp1.deja.com>#1/1 






How can I justify using hash join over sort-merge join in theory?
I cannot really just run the tests to see which join performs better
because the tables involved are a couple of billions rows and I cannot
tie up the db like that.



Thanks!



Sergey




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Received on Tue Jul 25 2000 - 00:00:00 CDT












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