Path: dp-news.maxwell.syr.edu!spool.maxwell.syr.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!newsfeed.freenet.de!news.newsland.it!eleonora.aioe.org!emma.aioe.org!aioe.org!not-for-mail
From: "x" <x@not-exists.org>
Newsgroups: comp.databases.theory
Subject: Re: MV Keys
Date: Fri, 3 Mar 2006 09:16:30 +0200
Organization: Aioe.org NNTP Server
Lines: 11
Message-ID: <du8qgg$qe5$1@emma.aioe.org>
References: <1140915349.609443.285650@e56g2000cwe.googlegroups.com>   <1140916287.800990.284570@t39g2000cwt.googlegroups.com>   <Xz9Mf.37664$F_3.21295@newssvr29.news.prodigy.net>   <1140928045.223226.301140@i40g2000cwc.googlegroups.com>   <440185c0$0$11076$e4fe514c@news.xs4all.nl>   <1140963712.820976.72300@u72g2000cwu.googlegroups.com>   <4401cd8b$0$11062$e4fe514c@news.xs4all.nl>   <1140981916.897576.34490@u72g2000cwu.googlegroups.com>   <1141000908.277461.101140@t39g2000cwt.googlegroups.com>   <MPG.1e6e1c576dad2a0298976b@news.ntnu.no>   <1141180942.125742.288830@j33g2000cwa.googlegroups.com>   <MPG.1e6f9e5a3f96c28d98976c@news.ntnu.no>   <1141239957.788010.239620@j33g2000cwa.googlegroups.com>   <1141260473.796686.131530@u72g2000cwu.googlegroups.com>   <O_sNf.7335$FY1.2343@trndny06>   <1141267829.869557.170030@t39g2000cwt.googlegroups.com>   <du6er9$d89$1@emma.aioe.org> <1141321306.850153.41980@v46g2000cwv.googlegroups.com>
NNTP-Posting-Host: s9btCjTiVvvsgWfav5q8uQ.user.aioe.org
X-Complaints-To: abuse@aioe.org
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165
X-Priority: 3
X-Newsreader: Microsoft Outlook Express 6.00.2800.1437
X-MSMail-Priority: Normal
Xref: dp-news.maxwell.syr.edu comp.databases.theory:37162


"Marshall Spight" <marshall.spight@gmail.com> wrote in message
news:1141321306.850153.41980@v46g2000cwv.googlegroups.com...

> This certainly works, but it's not very convenient, and probably
> not even practical unless you algebra has pivot as an operator.

How much does it cost to buy a pivot these days ?