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Message Posted: Wed, 22 Jun 2005 @ 19:34:27 GMT

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Subj:   Re: Sort before Join
From:   Anomy Anom

<-- Anonymously Posted: Wednesday, June 22, 2005 15:21 -->

Basic requirement for a merge join is that both left and right table should be sorted (by row hash in teradata) to perform the join. For product and hash joins, it need not be sorted. I think this is true for all databases.

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