Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> comp.databases.theory -> Re: How to prevent updates on foreign key default values

Re: How to prevent updates on foreign key default values

From: Christoffer Vig <chrde_at_online.no>
Date: 07 Oct 2001 20:57:54 +0200
Message-ID: <uitdrxop9.fsf@online.no>


On Sun, 7 Oct 2001, ivanarj_at_aloeco.com_ wrote:
> Christoffer,
>
> You could allow NULLs in student.schoolid. NULL could mean that you
> don't know the school yet for this student.

Yes but my whole idea was that I do not want NULL. I want 'NOT REGISTERED'. NULL means nothing.
Christoffer Received on Sun Oct 07 2001 - 13:57:54 CDT

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US