Re: Primary-key ... alternate key ... (newbie question)

From: <joske_at_home>
Date: Mon, 07 Oct 2002 16:25:40 GMT
Message-ID: <8Aio9.150599$8o4.21989@afrodite.telenet-ops.be>

--CELKO-- <71062.1056_at_compuserve.com> wrote in message ...
>>> The attributes shall be depend of ALL the key's Nothing else than
>ALL the key's? <<
>
>That is Chris Date's short description of Third Normal Form (3NF). The
>actual quote is "the key, the whole key and nothing but the key" which
>is a parody of the oath that witnesses take in a trial in the United
>States -- "Do you swear to tell the Truth, the whole Truth and
>nothing but the Truth, so help you God?"
>

The circle is complete ...
We are back at my original point/question .. how to interprete 'the key' in this parodie/saying?
Only the primary key that you choose, or 'all' the alternate key's.

>Chris has a short piece at www.dbdebunk.com on primary keys and how to
>pick them.

Great source of DB-information ... added to my favorites ... thanks, Jos Received on Mon Oct 07 2002 - 11:25:40 CDT