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Re: indexing a column with only 2 or 3 values

From: Thomas Kellerer <JUAXQOSZFGQQ_at_spammotel.com>
Date: Fri, 03 Aug 2007 09:54:58 +0200
Message-ID: <5hg5aiF3kia4nU1@mid.individual.net> 





ciapecki wrote:


> Hi,

> 

> Does indexing a very big table (about 5Mio records) on the columnA

> which can hold only values Y,N,<NULL> make sense?

> 



Yes, that's what bitmap indexes were made for.



Thomas
Received on Fri Aug 03 2007 - 02:54:58 CDT












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