You should read the thread with the subject:
"So what's null then if it's not nothing?"
--
frosty
Karen Hill wrote:
> X-No-Archive:yes
>
> I know that visual basic, lisp, python, c , c++ , perl, all have 2
> value logic. What makes SQL so special that it needs 3vl when all
> these langauges make do with 2vl?
>
> I read a book on SQL which was authored by Date before I knew of the
> whole Date controversy and when I was learning SQL. I was thoroughly
> confused when he went on a spiel about nulls. I echoed this sentiment
> at work and was chastized and told that Date is a kook. Yet I have
> some time later accepted nulls and work with them just fine. In the
> back of my mind though, coming from a C++ background I still feel that
> if c++ can make it on 2vl why not SQL?
>
> Why do nulls make us feel so strange?
Received on Fri Sep 08 2006 - 14:49:37 CDT
