From: Viral Amin [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, February 26, 2002 4:33 AM
To: Multiple recipients of list ORACLE-L
Subject: RE: SELECT statement...
Hi,
Count(*) will never return NO_DATA_FOUND..so NULL value being compared is out of question
Viral.
-----Original Message-----
From: Arul
kumar [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, February 26, 2002 1:28 PM
To: Multiple recipients of list ORACLE-L
Subject:
Re: SELECT statement...
Hi Rich,
I doubt any NULL value being checked in the WHERE CLAUSE...
as u will be knowing a NULL is not equal to another NULL.... in oracle !!
Just try applying NVL on such possible columns ....
Hope this may help u.
regards,
Arul.
Richard Huntley wrote:
> I'm encountering something very strange...has anyone ever
encountered a
> simple select
> statement that found no data such as:
>
> SELECT COUNT(*)
> FROM student_grps s, grps g
> where
s.stuid = :new.stuid
> and g.gid =
s.gid;
>
> This code is
inside a before insert row level trigger and the select works
> fine
> at an SQL prompt but encounters a
NO_DATA_FOUND exception when the trigger
>
fires.
> Any ideas at all?? How can count(*)
encounter this??
>
>
TIA,
> Rich
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Richard
Huntley
> INET:
[EMAIL PROTECTED]
>
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Author: Arul kumar
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