Article View: borland.public.interbase.sql
Article #106Re: Too slow... can't think of a faster way.
From: Frederic Gelinas
Date: Wed, 04 Jun 2008 01:21
Date: Wed, 04 Jun 2008 01:21
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dan palley wrote: > The left outer join will not exclude records where a.ARTRANSACTIONID > is null -- that's the whole point of using a left outer join. Yes, it does exclude record with null in a.ARTransactionID. The left join would return all the record of ARITEM, even if there is no matching ARTRANSACTIONID, but it would not consider the records with a null value in the joined field. Tested against an IB 7.5 database. --
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X-Google-Thread: 114a0e,a4b1f4361f20c519 X-Google-Attributes: gid114a0e,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit From: "Frederic Gelinas" <frederic_gelinas@hotmail.com> Subject: Re: Too slow... can't think of a faster way. Newsgroups: borland.public.interbase.sql References: <48455030@newsgroups.borland.com> <4845581a$1@newsgroups.borland.com> <48457e65$1@newsgroups.borland.com> User-Agent: XanaNews/1.18.1.6 NNTP-Posting-Host: 74.12.225.203 Message-ID: <4845ee2a$1@newsgroups.borland.com> Date: 3 Jun 2008 18:21:46 -0700 X-Trace: newsgroups.borland.com 1212542506 74.12.225.203 (3 Jun 2008 18:21:46 -0700) Lines: 12 Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!proxad.net!feeder1-2.proxad.net!feeder.erje.net!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail