Re: 4 the FAQ: Are Commercial DBMS Truly Relational?

From: Marshall Spight <mspight_at_dnai.com>
Date: Mon, 11 Oct 2004 02:35:29 GMT
Message-ID: <Rjmad.447592$8_6.119047@attbi_s04>

"Kenneth Downs" <firstinit.lastname_at_lastnameplusfam.net> wrote in message news:dklckc.mla.ln_at_mercury.downsfam.net...

> The key fact about the Employee_ID column is that by definition it has no
> meaning, it is correct if and only if it is unique. It's only purpose is
> to be unique.

I don't consider the employee id, as you've described it, to be without meaning. It *does* have meaning: it is the employee id! Ask any HR person and they can tell you what that is, and what it means.

Contrast with, say, memory address.

Marshall Received on Sun Oct 10 2004 - 21:35:29 CDT