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Book Overview & Buying
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Table Of Contents
The Data Warehouse Toolkit - Third Edition
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This chapter unfolds a bit differently than preceding chapters. We begin with a case study overview but we won’t be designing a dimensional model from scratch this time. Instead, we’ll step into a project midstream to conduct a design review, looking for opportunities to improve the initial draft schema. The bulk of this chapter focuses on identifying design flaws in dimensional models.
We’ll use a billing vignette drawn from the telecommunications industry as the basis for the case study; it shares similar characteristics with the billing data generated by a utilities company. At the end of this chapter we’ll describe the handling of geographic location information in the data warehouse.
Chapter 11 discusses the following concepts:
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