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Re: Count(*) not doing a FTS??

From: Ganesh Raja <ganesh.raja_at_gmail.com>
Date: Thu, 2 Sep 2004 21:38:04 +0100
Message-ID: <f754edf040902133863269118@mail.gmail.com>


Rowcount on the Segment Header .... Not heard abt that ... Wont it be a Major Overhead updating that for Every Row Inserted ... ???

Ganesh

On Thu, 2 Sep 2004 11:20:58 -0400, rjamya <rjamya_at_gmail.com> wrote:
> I am sitting in a class and instructor told us that count(*) reads
> rowcount from segment header in some (or most?) cases rather than
> doign the good ol' FTS. He can't remember exact details, so this email
> ....
>
> is it true? Which version was this introduced? Someone has a
> reproducible test case?
>
> Thanks in advance
> Raj
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Received on Thu Sep 02 2004 - 19:09:25 CDT

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