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The ACCU passes on review copies of computer books to its members for them to review. The result is a large, high quality collection of book reviews by programmers, for programmers. Currently there are 1918 reviews in the database and more every month.
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Title:
The Data Warehouse Toolkit 2ed
Author:
Ralph Kimball&Margy Ross
ISBN:
0471200247
Publisher:
Wiley
Pages:
464pp
Price:
£36-95
Reviewer:
David Ross
Subject:
database
Appeared in:
16-1
My day job revolves around the building of Data Warehouses and Data Mining environments and I regularly recommend Ralph Kimball's numerous books on the topic to colleagues and clients. This particular book, an update of the 1996 edition, is no exception. This time around there is less emphasis on selling the concept of dimensional modelling (now the accepted way to build warehouses) and more on how to do it.

The books takes an interesting approach: after first discussing the basics of why and how create a dimensional model, it then uses cases studies from various industry sectors to explore the intricacies of the techniques and issues which arise during implementation. The temptation to focus on your own speciality should be avoided since each provides new insights. For instance, the handling of multiple time zones is covered in the section on transportation, while fact-less fact tables are covered in the education chapter. Throughout there is an emphasis on addressing real business issues, with numerous example schemas to support the text.

There are a few chapters relating to concept and benefits of data warehousing, how to implement a warehouse and future directions. While these provide useful context (the first chapter being an excellent introduction to the field), this is principally a book about dimensional modelling and as such I can strongly recommend it.