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RE: SQL and case structure

From: Droogendyk, Harry <Harry.Droogendyk_at_CIBC.com>
Date: Wed, 09 Oct 2002 04:48:49 -0800
Message-ID: <F001.004E426F.20021009044849@fatcity.com>


Thanks to everyone who answered this question. The paper noted below is excellent!

		-----Original Message-----
		From:	Robson, Peter [mailto:pgro_at_bgs.ac.uk]
		Sent:	Tuesday, October 08, 2002 10:39 AM
		To:	Multiple recipients of list ORACLE-L
		Subject:	RE: SQL and case structure

		Doug Burns wrote a very informative paper on Decode,
presented at an earlier
		UK-OUG meeting. Its available from his web site:

		http://doug.burns.tripod.com/decode.html

		And the answer to the question posed below is 'yes'.

		peter
		edinburgh



> -----Original Message-----
> From: Droogendyk, Harry [mailto:Harry.Droogendyk_at_CIBC.com]
> Sent: 07 October 2002 23:59
> To: Multiple recipients of list ORACLE-L
> Subject: RE: SQL and case structure
>
>
> Jesse:
>
> Can I also use the value of another column rather than a
> literal like my
> example coded?
>
> e.g.
>
> select acct_no,
> decode(substr(acct_no,16,1),'1',field1
> '2',field2
> field3 ) as
descr
> from star.kills
> ;
>
>
> TIA
>
>
> -----Original Message-----
> Sent: Monday, October 07, 2002 5:28 PM
> To: Multiple recipients of list ORACLE-L
>
>
> "CASE" in PL/SQL serves a slightly different function, but

> DECODE should do
> the trick. Try:
>
> select acct_no,
> DECODE(substr(acct_no,16,1),
> '1','one',
> '2','two',
> 'other') as DESCR
> from star.kills;
>
> I also changed "desc" to "descr", since "desc" is a
reserved word.
>
> HTH! GL! :)
>
> Rich Jesse System/Database
Administrator
> Rich.Jesse_at_qtiworld.com Quad/Tech
International,
> Sussex, WI USA
>
> > -----Original Message-----
> > From: Droogendyk, Harry
[mailto:Harry.Droogendyk_at_CIBC.com]
> > Sent: Monday, October 07, 2002 3:39 PM
> > To: Multiple recipients of list ORACLE-L
> > Subject: SQL and case structure
> >
> >
> > Listers:
> >
> > I've used SAS's version of SQL and it allows the coding
of
> > conditional logic
> > in the SELECT statement:
> >
> > proc sql;
> > select acct_no,
> > case substr(acct_no,16,1)
> > when '1' then 'one'
> > when '2' then 'two'
> > else 'other'
> > end as desc
> > from star.kills;
> > quit;
> >
> > The same syntax does not work in SQL*Plus for Oracle 8.
Can
> > someone point
> > me to the correct syntax?
> >
> > Secondly, any URLs for this kind of information would be
most
> > appreciated.
> >
> > Regards,
> > Harry
> --
> Please see the official ORACLE-L FAQ:
http://www.orafaq.com
> --
> Author: Jesse, Rich
> INET: Rich.Jesse_at_qtiworld.com
>
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> Author: Droogendyk, Harry
> INET: Harry.Droogendyk_at_CIBC.com
>
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		-- 
		Please see the official ORACLE-L FAQ: http://www.orafaq.com
		-- 
		Author: Robson, Peter
		  INET: pgro_at_bgs.ac.uk

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-- 
Author: Droogendyk, Harry
  INET: Harry.Droogendyk_at_CIBC.com

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Received on Wed Oct 09 2002 - 07:48:49 CDT

Original text of this message

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