Re: [HACKERS] temporary indexes

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От Kevin Grittner
Тема Re: [HACKERS] temporary indexes
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Msg-id 44043A34.EE98.0025.0@wicourts.gov
обсуждение исходный текст
Ответ на Re: [HACKERS] temporary indexes  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Ответы Re: [HACKERS] temporary indexes  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: [HACKERS] temporary indexes  ("Steinar H. Gunderson" <sgunderson@bigfoot.com>)
Список pgsql-performance
>>> On Tue, Feb 28, 2006 at 11:36 am, in message
<440435BC.EE98.0025.0@wicourts.gov>, "Kevin Grittner"
> Also, EXISTS works in situations where
> you need to compare on multiple columns, so it is useful in many
> situations where EXISTS or MIN/MAX techniques just don't work.

Sorry.  That should have read:

EXISTS works in situations where
you need to compare on multiple columns, so it is useful in many
situations where IN or MIN/MAX techniques just don't work.


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