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Islamians ??

From: Rahul <rahul_at_ratelindo.co.id>
Date: Wed, 11 Oct 2000 09:32:59 +0700
Message-Id: <10645.118920@fatcity.com>


was this question put to "islamians" only ?? "Dear DBAs" would have been more appropriate .

Rahul

> ----------
> From: Asim Raza[SMTP:asim_raza_syed_at_hotmail.com]
> Sent: Wednesday, October 11, 2000 12:07 AM
> To: anaqvi12_at_yahoo.com
> Subject: Fwd: NULL Values
>
>
> >Dear Islamians,
> > A.A.
> >
> >I have a logical question, any one who can make it clear.
> > create table a (x number(2) unique);
> > insert into a values (null);
> > 1 row created.
> > insert into a values (null);
> > 1 row created.
> >Q:- I have a table 'A' have one field 'X' with unique constraint, so a
> >unique index will be created for it. I inserted null into this field two
> >times (or more then it).
> >
> >If null is a value, Why these null stored into table which have unique
> >constraint?
> >If null is not a VALUE then what it is?
> >Is there some special character for NULL?
> >If null is not a value why we have operators for null?
> >
> >
> >Regards
> >
> >Muhammad Awais
> >System Developer
> >Paktel Ltd. Pakistan
> >Mob. 0303 7757077
Received on Tue Oct 10 2000 - 21:32:59 CDT

Original text of this message

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