RE: Quick question re outer joins

From: Lex de Haan <lex.de.haan_at_naturaljoin.nl>
Date: Fri, 23 Jul 2004 10:59:57 +0200
Message-ID: <JFEEIGBIDOCCDALDIPLNGEDGCGAA.lex.de.haan@naturaljoin.nl>

indeed -- just start with "select ename from scott.emp" to get 14 rows, and then outer join with scott.dept -- I am pretty sure you'll see 15 rows. not sure whether you are talking about the left, right, or full outer join, though ...

Kind regards,
Lex.

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-----Original Message-----

From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of jo_holvoet_at_amis.com Sent: Friday, July 23, 2004 09:50
To: oracle-l_at_freelists.org
Cc: Oracle L; oracle-l-bounce_at_freelists.org Subject: Re: Quick question re outer joins

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

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AFAIK, an outer join does NOT add or subtract rows from a result set. True?

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Received on Fri Jul 23 2004 - 03:56:37 CDT