Re: Yet Another COUNT(*)...WHERE...question

From: Rainer Bauer <usenet(at)munnin(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Yet Another COUNT(*)...WHERE...question
Date: 2007-08-16 10:12:03
Message-ID: k988c3do7eh60mocpmalu5pta5j7s93oh3@4ax.com
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"Scott Marlowe" wrote:

>When I go to amazon.com I only ever get three pages of results. ever.
> Because they know that returning 190 pages is not that useful, as
>hardly anyone is going to wander through that many pages.
>
>Google, you'll notice says "Results 1 - 10 of about 5,610,000 for
>blacksmith" i.e. it's guesstimating as well. no reason for google to
>look at every single row for blacksmith to know that there's about 5.6
>million.

But if you go to eBay, they always give you an accurate count. Even if the no.
of items found is pretty large (example: <http://search.ebay.com/new>).

Rainer

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