Re: Proposal for Null Bitmap Optimization(for TrailingNULLs)

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От Decibel!
Тема Re: Proposal for Null Bitmap Optimization(for TrailingNULLs)
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Msg-id 8488A285-D027-4467-8F66-A788887D0B3F@decibel.org
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Ответ на Re: Proposal for Null Bitmap Optimization(for TrailingNULLs)  ("Gokulakannan Somasundaram" <gokul007@gmail.com>)
Ответы Re: Proposal for Null Bitmap Optimization(for TrailingNULLs)  ("Gokulakannan Somasundaram" <gokul007@gmail.com>)
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Дерево обсуждения 
On Dec 20, 2007, at 2:36 AM, Gokulakannan Somasundaram wrote:
> I checked it by creating a table with 10 columns on a 32 bit
> machine. i inserted 100,000 rows with trailing nulls and i observed
> savings of 400Kbytes.


That doesn't really tell us anything... how big was the table
originally? Also, testing on 64 bit would be interesting.
--
Decibel!, aka Jim C. Nasby, Database Architect  decibel@decibel.org
Give your computer some brain candy! www.distributed.net Team #1828

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