Book Image

The Data Warehouse Toolkit - Third Edition

By : Ralph Kimball, Margy Ross
5 (1)
Book Image

The Data Warehouse Toolkit - Third Edition

5 (1)
By: Ralph Kimball, Margy Ross

Overview of this book

The volume of data continues to grow as warehouses are populated with increasingly atomic data and updated with greater frequency. Dimensional modeling has become the most widely accepted approach for presenting information in data warehouse and business intelligence (DW/BI) systems. The goal of this book is to provide a one-stop shop for dimensional modeling techniques. The book is authored by Ralph Kimball and Margy Ross, known worldwide as educators, consultants, and influential thought leaders in data warehousing and business intelligence. The book begins with a primer on data warehousing, business intelligence, and dimensional modeling, and you’ll explore more than 75-dimensional modeling techniques and patterns. Then you’ll understand dimension tables in-depth to get a good grip on retailing and moved towards the topics of inventory. Moving ahead, you’ll learn how to use this book for procurement, order management, accounting, customer relationship management, and many more business sectors. By the end of this book, you’ll be able to gather all the essential knowledge, practices, and patterns for designing dimensional models.
Table of Contents (31 chapters)
Free Chapter
1
Cover
2
Title Page
3
Copyright
4
About the Authors
5
Credits
6
Acknowledgements
29
Index
30
Advertisement
31
End User License Agreement

18
Dimensional Modeling Process and Tasks

We’ve described countless dimensional modeling patterns in Chapters 11 through 16 of this book. Now it’s time to turn your attention to the tasks and tactics of the dimensional modeling process.

This chapter, condensed from content in The Data Warehouse Lifecycle Toolkit, Second Edition (Wiley, 2008), begins with a practical discussion of preliminary preparation activities, such as identifying the participants (including business representatives) and arranging logistics. The modeling team develops an initial high-level model diagram, followed by iterative detailed model development, review, and validation. Throughout the process, you are reconfirming your understanding of the business’s requirements.

Chapter 18 reviews the following concepts:

  • Overview of the dimensional modeling process
  • Tactical recommendations for the modeling tasks
  • Key modeling deliverables