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Re: History tracking in databases

From: Mark Rosenbaum <mjr_at_netcom.com>
Date: 1997/09/01
Message-ID: <mjrEFu438.I48@netcom.com>#1/1

Sounds like a data warehouse with a slowling changing product dimension. Try Kimball's book The Data Warehouse Toolkit

Mark

In article <872763022.5320_at_dejanews.com>, <bhq001_at_email.mot.com> wrote:
>Hi,
>
>I am trying to develop a relational database for a
>project at work.
>Currently we are at the logical design phase for
>this database.
>The database structure is very hierarchical due to
>the data requirements
>of the project.
>As part of the design requirements, the database
>must provide means of
>tracking historical data. This is further explained
>below:
>
>Say you have a CRATE (CRATE1) which can contain
>smaller BOXes (BOX1,BOX2
>etc.)
>
>CRATE1 is related to BOX1 and BOX2.
>
>Each BOX contains information specific to itself.
>
>Say BOX1 information was changed for some reason but
>we would still like
>to know the previous information for BOX1.
>
>CRATE1 is now related to BOX1,BOX1(old),BOX2
>
>Question: How would this kind of relationship be
>implemented in an RDBMS?
>
>Thanks in advance for any advice given.
>
>H.Quan
>
>-------------------==== Posted via Deja News ====-----------------------
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Received on Mon Sep 01 1997 - 00:00:00 CDT

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