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Book Overview & Buying
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Table Of Contents
The Data Warehouse Toolkit - Third Edition
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In this chapter, we focused exclusively on the customer, beginning with an overview of customer relationship management (CRM) basics. We then delved into design issues surrounding the customer dimension table. We discussed name and address parsing where operational fields are decomposed to their basic elements so that they can be standardized and validated. We explored several other types of common customer dimension attributes, such as dates, segmentation attributes, and aggregated facts. Dimension outriggers that contain a large block of relatively low-cardinality attributes were described.
This chapter introduced the use of bridge tables to handle unpredictable, sparsely populated dimension attributes, as well as multivalued dimension attributes. We also explored several complex customer behavior scenarios, including sequential activities, timespan fact tables, and tagging fact events with indicators to identify abnormal situations.
We closed the chapter by discussing alternative...
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