Path: dp-news.maxwell.syr.edu!spool.maxwell.syr.edu!drn.maxwell.syr.edu!news.maxwell.syr.edu!wns13feed!worldnet.att.net!attbi_s54.POSTED!53ab2750!not-for-mail
From: "Marshall Spight" <mspight@dnai.com>
Newsgroups: comp.databases.theory
References: <hqd6kc.4go.ln@mercury.downsfam.net> <JpmdnTK5C9X_WvrcRVn-rA@comcast.com> <irs8kc.9nv.ln@mercury.downsfam.net> <J9SdnUjaIoazlfXcRVn-tg@comcast.com>
Subject: Re: 4 the FAQ: Are Commercial DBMS Truly Relational?
Lines: 30
X-Priority: 3
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 6.00.2800.1158
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165
Message-ID: <%F%9d.153335$wV.82298@attbi_s54>
NNTP-Posting-Host: 24.5.186.86
X-Complaints-To: abuse@comcast.net
X-Trace: attbi_s54 1097369339 24.5.186.86 (Sun, 10 Oct 2004 00:48:59 GMT)
NNTP-Posting-Date: Sun, 10 Oct 2004 00:48:59 GMT
Organization: Comcast Online
Date: Sun, 10 Oct 2004 00:48:59 GMT
Xref: dp-news.maxwell.syr.edu comp.databases.theory:26700

"Laconic2" <laconic2@comcast.net> wrote in message news:J9SdnUjaIoazlfXcRVn-tg@comcast.com...
>
> "Kenneth Downs" <firstinit.lastname@lastnameplusfam.net> wrote in message
> news:irs8kc.9nv.ln@mercury.downsfam.net...
>
> > Hmmm, have never needed NULLS myself, and the customers have never
> > complained.  I believe they can always be engineered out.  Let the flames
> > begin :)
> >
>
> I use NULLS freely myself,  RDM be damned.   Sometimes it's a fairly trivial
> feature of the data,  like people with no middle initial.  In that case,
> I'm either going to plug in a dummy value,  like blank,  or let SQL make it
> a NULL.  And in that case, I really don't care which it does.

With a better type system, the question wouldn't even come up.
But we're stuck with SQL for now, so your approach is virtually
inevitable.


> But that's not the way I design.  Call me an unrepentant sinner,  but I use
> NULLS.

You, sir, are an unrepentant sinner. I do the same thing. But I dream of
a world where I won't have to.


Marshall


