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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 (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-performance
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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