Transcription of Dimensional Modelling by Example - Database Answers
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Dimensional Modelling by Example - Database Answers
Dimensional Modelling by Example Page 1 04/09/2014 13:02 Dimensional Modelling by Example Barry Williams Dimensional Modelling by Example Page 2 04/09/2014 13:02 1. Management Summary .. 5 The Purpose of this Book .. 5 The Contents of this Book .. 5 Three Stages .. 5 What are Dimensional Models ? .. 5 Data Marts .. 6 Best Practice .. 7 Types of Dimensional Models .. 7 How to use the Dimensional Models .. 12 2. Getting Started .. 12 Design Guidelines - a Four-Step Approach .. 12 Always use Surrogate Keys .. 12 Agree an Architecture .. 13 Conceptual Data Models .. 18 Using Dimensional Models for Reports.
Modify the ERD to reflect any changes you make to the Business Rules. Make the corresponding changes to the Dimensional Models. 2. Getting Started 2.1 Design Guidelines - a Four-Step Approach Guideline : Follow Plan to establish controlled growth in your dimensional model. Here is one that is triggered by an Event or a Business Process 1.
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