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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.

Dimensional Modelling by Example Page 13 04/09/2014 13:02 2.3 Agree an Architecture This requires consensus on a Layered Data Architecture and Components. 2.3.1 Data Architecture for the Semantic Layer The Semantic Layer supports Self-service. This Architecture answers the question :- “What is the role of the Semantic Layer ?”

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