RE: Quick question re outer joins

From: Lex de Haan <lex.de.haan_at_naturaljoin.nl>
Date: Fri, 23 Jul 2004 16:14:28 +0200
Message-ID: <JFEEIGBIDOCCDALDIPLNAEDOCGAA.lex.de.haan@naturaljoin.nl>

Hi Nuno,

you are right -- if you navigate away from the master table in a master-detail relationship, and if you don't consider full outer joins ...

Kind regards,
Lex.

visit my website at http://www.naturaljoin.nl

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Nuno Souto Sent: Friday, July 23, 2004 15:07
To: oracle-l_at_freelists.org
Subject: Re: Quick question re outer joins

jo_holvoet_at_amis.com apparently said,on my timestamp of 23/07/2004 6:50 PM:

> If the relationship to the new table is 1-N, it could potentially add rows
> just like a regular join, couldn't it ?

How?
If it finds a corresponding row, it puts its column value in the output. If it doesn't, it puts a NULL there. How can that add rows?

--
Cheers
Nuno Souto
in sunny Sydney, Australia
dbvision_at_optusnet.com.au
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Received on Fri Jul 23 2004 - 09:12:01 CDT