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Re: All hail Neo!

From: Marshall Spight <marshall.spight_at_gmail.com>
Date: 26 Apr 2006 13:13:09 -0700
Message-ID: <1146082389.666775.249790@j33g2000cwa.googlegroups.com>


Gene Wirchenko wrote:
> >
> >The idea of null as something that taints everything it
> >touches doesn't seem useful or practical to me.
>
> It is quite useful. It means you do not have enough data yet.
> If you are guessing, at least admit that you are doing so.

The declaration of the attribute as "nullable" in the schema is exactly the admission you desire.

> Try filling out a tax return with one piece of data missing. Do
> you think that your government will go for "It's probably exactly what
> you want."?

Most tax forms that I've seen have lots of fields that are allowed to be left blank. So yes, that would be fine.

Marshall Received on Wed Apr 26 2006 - 15:13:09 CDT

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