Re: Help needed with normalisation

From: Bert Blink <bblink_at_pcug.org.au>
Date: Sun, 21 Mar 2004 08:38:24 +1100
Message-ID: <cqdp5090vumttv6de3reksa0mlq1hqja9e_at_4ax.com>


Have a read of this

http://intellect.sdo.teilar.gr/Baseline_En/lecture4.html

On Fri, 19 Mar 2004 20:52:49 -0000, "Evil Monkey" <a_at_b.com> wrote:

>Hi there
>
>I have a relational model that I need to normalise to check there will
>be no update anomalies and get it to Boyce Codd normal form.
>
>Could some please help me fully understand the concept of a functional
>dependency?
>
>I dont quite understand how to approach converting my relational model into
>BCNF.
>
>Do I just assume the funtional depndancies based on what the context of the
>overall system is or is there a way to correctly go through each relation
>and check for FD's?
>
>I undertsand FD's to some degree and the purpose of normlisations but im a
>little vague on how to get started
>
>If there is can some one help me to understand one of my relations below? I
>really want to understand the process.
>
>relation name:VENUE
>
>CK VenueID
>
>(VenueID,NameOfVenue, Address, Telephone ,EntryCost ,OpenTime
>,CloseTime,Website,VenueBudget)
>
>relation name: TRACK
>
>CK AlbumId
>
>(AlbumId,TrackNumber,TrackName,Length,Review,PersonId)
>
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Received on Sat Mar 20 2004 - 22:38:24 CET

Original text of this message