Re: NULLs
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Wed, 26 Dec 2007 16:00:07 -0400
Message-ID: <4772b2ca$0$5257$9a566e8b_at_news.aliant.net>
>
>
> Go to google groups. Select the newsgroup comp.databases.theory
>
> Do a search on NULLS. You will find a multitude of discussions about NULLS.
> almost everything that this discussion might produce has been said in at
> least one of those discussions.
>
> Short answer: yes, it is to indicate that there is no value.
Date: Wed, 26 Dec 2007 16:00:07 -0400
Message-ID: <4772b2ca$0$5257$9a566e8b_at_news.aliant.net>
David Cressey wrote:
> "stevedtrm" <stevedtrm_at_hotmail.com> wrote in message
> news:4afba236-4273-4d24-b8f4-5041483d22fc_at_i12g2000prf.googlegroups.com...
>
>>What are NULLs for? >> >>Missing information? Then surely there should just be no tuple? >> >>To indicate that there can be no value? Why not a seperate table with >>a boolean value in the non-key column? >> >>Steve B.
>
>
> Go to google groups. Select the newsgroup comp.databases.theory
>
> Do a search on NULLS. You will find a multitude of discussions about NULLS.
> almost everything that this discussion might produce has been said in at
> least one of those discussions.
>
> Short answer: yes, it is to indicate that there is no value.
C'mon everybody!
NULL! - huh - yeah -
What is it good for?
Absolutely nothing!
Uh-huh
NULL! - huh - yeah -
What is it good for?
Absolutely nothing!
Say it again y'all
NULL! - huh - Good God
What is it good for?
Absolutely nothing!
Listen to me
You know the song... Received on Wed Dec 26 2007 - 21:00:07 CET