RE: Quick question re outer joins
- From: "Lex de Haan" <lex.de.haan@xxxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 23 Jul 2004 10:59:57 +0200
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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visit my website at http://www.naturaljoin.nl
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-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of jo_holvoet@xxxxxxxx
Sent: Friday, July 23, 2004 09:50
To: oracle-l@xxxxxxxxxxxxx
Cc: Oracle L; oracle-l-bounce@xxxxxxxxxxxxx
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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