Re: Identifying candidate keys and primary keys

From: rpost <>
Date: Wed, 16 Apr 2008 18:59:12 +0200
Message-ID: <9bf14$48063060$839b4533$>

Brian Selzer wrote:

>Unless you can identify the functional dependencies, you won't be able to
>identify the candidate keys. If you don't know enough about the subject
>matter (or weren't provided with that information as part of the
>assignment), then you might as well join Bluto.

Perhaps they want the student to write these assumptions down explicitly. Perhaps they want to make the student realize that without such explicit assumptions the validity of the model cannot be determined.

Received on Wed Apr 16 2008 - 18:59:12 CEST

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