you must use 'is null' in 'where' clauses and other places where you do
not assign null to a field .
if you want to insert a data with a null , then you can use '=null' to
assign null into a field...........
Look at pl/sql documentation for more details .
I send my loves to Holland where is my ideal country..
Bunyamin K. Karadeniz
Enformasyon Teknolojileri Dir.
Veri Tabanư Grubu tel : 2873565/1681
HAVELSAN
- Original Message -----
From: Weerd Kirsten, E.C. de <Kirsten.deWeerd_at_Oranjewoud.nl>
To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
Sent: Thursday, November 09, 2000 6:05 PM
Subject: RE: is null / = null query
> Isn't this exactly the way it should be ???
>
> > -----Original Message-----
> > From: GKor_at_rdw.nl [SMTP:GKor_at_rdw.nl]
> > Sent: Thursday, November 09, 2000 3:16 PM
> > To: Multiple recipients of list ORACLE-L
> > Subject: is null / = null query
> >
> > Hi everyone
> >
> > I have launched the following query in SQL*PLUS
> >
> > SQL> L
> > 1* SELECT COUNT(*) FROM WERK_ORDER WHERE RESULT_CODE_WO = NULL;
> > SQL> /
> > 0
> >
> > 1 row selected.
> >
> > SQL> SELECT COUNT(*) FROM WERK_ORDER WHERE RESULT_CODE_WO IS NULL;
> > 301
> >
> > 1 row selected.
> >
> > SQL>
> >
> > i did'nt expect to get answer on the first query
> >
> > anyone with an explanation or is this a undocumented feature ?
> >
> > thanks
> >
> > gkor_at_rdw.nl
> > rdw the netherlands
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > --
> > Author:
> > INET: GKor_at_rdw.nl
> >
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> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Weerd Kirsten, E.C. de
> INET: Kirsten.deWeerd_at_Oranjewoud.nl
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
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Received on Sun Sep 10 2000 - 09:53:26 CDT
