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How does DISTINCT work?

From: Oleg Roshchin <oleg_at_ca-ib.com>
Date: Thu, 19 Aug 1999 11:46:25 +0400
Message-ID: <7pgcop$86f$1@news.netway.at> 





Hi, all!



How does DISTINCT work: during the selecting or after it?
What is more efficient: DISTINCT or GROUP BY
when GROUP BY is used for all fields in the query?



Oleg



Received on Thu Aug 19 1999 - 02:46:25 CDT












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