Re: Natural keys vs Aritficial Keys

From: Tony Toews [MVP] <>
Date: Sun, 17 May 2009 21:36:45 GMT
Message-ID: <>

"Walter Mitty" <> wrote:

>One nitpick. A GPS device gives you a measure of where something is, not a
>key to its location, unless I misunderstand how GPS works.
>Using measures in place of keys is tricky, even though it looks simple at

"give the guys a device which had a hand held computer of some sort with a bar code reader and a GPS. "

So you have three pieces of data, bar code number identifying the peice, location and date/time.


Tony Toews, Microsoft Access MVP
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Received on Sun May 17 2009 - 23:36:45 CEST

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