Path: news.cambrium.nl!textnews.cambrium.nl!feeder1.cambriumusenet.nl!feed.tweaknews.nl!193.201.147.71.MISMATCH!xlned.com!feeder3.xlned.com!feeder.news-service.com!postnews.google.com!b7g2000yqd.googlegroups.com!not-for-mail
From: jbdhl <jbirksdahl@gmail.com>
Newsgroups: comp.databases.oracle.server
Subject: Re: When are projections done?
Date: Wed, 3 Mar 2010 16:40:01 -0800 (PST)
Organization: http://groups.google.com
Lines: 6
Message-ID: <4552be27-d5ed-44e5-b69b-d1b8bee6fe43@b7g2000yqd.googlegroups.com>
References: <a6342b7f-315f-4e33-b6b7-c5d0a35724c3@t23g2000yqt.googlegroups.com> 
 <4b8d81f4$0$22390$e4fe514c@dreader31.news.xs4all.nl> <6a42f9ab-a72b-4413-a9b1-410ba5b78a33@z1g2000prc.googlegroups.com>
NNTP-Posting-Host: 90.184.218.180
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
X-Trace: posting.google.com 1267663201 18737 127.0.0.1 (4 Mar 2010 00:40:01 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Thu, 4 Mar 2010 00:40:01 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: b7g2000yqd.googlegroups.com; posting-host=90.184.218.180; 
 posting-account=7eE9vgoAAABdHKX3ysXbf055WalwyqHa
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; 
 rv:1.9.2) Gecko/20100115 Firefox/3.6,gzip(gfe),gzip(gfe)
Xref:  news.cambrium.nl

> Obviously, he wants to know the mechanics of how each engine does this
> fundamental task.

Exactly. In order to proceed with a research project, I need to know
how this basic task is handled in the most common row-stores. I
believe I have enough information for now. Thanks for the answers.