RE: RE: CASE under Oracle8i

From: אדר יחיאל <adary_at_mehish.co.il>
Date: Mon, 25 Mar 2002 04:38:22 -0800
Message-ID: <F001.00431D91.20020325043822@fatcity.com>

The case works on each record in the set. you have to use where to limit the set.

select
  case

  	   when mgr is null 
	   		then ename 

  end
from scott.emp
where mgr is NULL

Yechiel Adar, Mehish Computer Services
adary_at_mehish.co.il

> -----Original Message-----
> From: Nandu Garg [SMTP:focussed_at_rediffmail.com]
> Sent: Mon, March 25, 2002 10:13 AM
> To: Multiple recipients of list ORACLE-L
> Subject: Re: RE: CASE under Oracle8i
>
> Hi
>
> I was not knowin about CASE functionality so was just trying
> curiously following thing. Results are also below.
>
> SQL> select case when mgr is null then ename end from emp;
>
>
> CASEWHENMG
> ----------
>
>
>
>
>
> KING
>
>
>
> CASEWHENMG
> ----------
>
>
> 14 rows selected.
>
>
> This gives me all 14 rows. Can I get outout as just 'KING' here
> using CASE? Also what are the other usage of CASE functionality?
>
> NG
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Nandu Garg
> INET: focussed_at_rediffmail.com
>
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Received on Mon Mar 25 2002 - 06:38:22 CST