Re: [HACKERS] Number of pages in a random sample

From: Manfred Koizar <mkoi-pg(at)aon(dot)at>
To: sailesh(at)cs(dot)berkeley(dot)edu
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>, pgsql-performance(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [HACKERS] Number of pages in a random sample
Date: 2004-04-29 16:56:36
Message-ID: 0nc290hvvr6tcv45enh93afcgbg8vuk6j9@email.aon.at
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On Mon, 26 Apr 2004 08:08:16 -0700, Sailesh Krishnamurthy
<sailesh(at)cs(dot)berkeley(dot)edu> wrote:
> "A Bi-Level Bernoulli Scheme for Database Sampling"
> Peter Haas, Christian Koenig (SIGMOD 2004)

Does this apply to our problem? AFAIK with Bernoulli sampling you don't
know the sample size in advance.

Anyway, thanks for the hint. Unfortunately I couldn't find the
document. Do you have a link?

Servus
Manfred

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