The Data Warehouse Toolkit: The Complete Guide to Dimensional Modeling by Ralph Kimball |
by Ralph Kimball
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by Joy Mundy
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by Ralph Kimball
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Mastering Data Warehouse Aggregates: Solutions for Star Schema Performance by Christopher Adamson |
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The extract, transform, and load (ETL) phase of the data warehouse development life cycle is far and away the most difficult, time–consuming, and labor–intensive phase of building a data warehouse. Done right, companies can maximize their use of data storage; if not, they can end up wasting millions of dollars storing obsolete and rarely used data. Bestselling author Ralph Kimball, along with Joe Caserta, shows you how a properly designed ETL system extracts the data from the source systems, enforces data quality and consistency standards, conforms the data so that separate sources can be used together, and finally delivers the data in a presentation–ready format.
Serving as a road map for planning, designing, building, and running the back–room of a data warehouse, this book provides complete coverage of proven, timesaving ETL techniques. Beginning with a quick overview of ETL fundamentals, it then looks at ETL data structures, both relational and dimensional. The authors show how to build useful dimensional structures, providing practical examples of techniques.
Along the way youll learn how to:
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62% buy the item featured on this page: The Data Warehouse ETL Toolkit: Practical Techniques for Extracting, Cleaning, Conforming, and Delivering Data £20.14 |
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15% buy The Data Warehouse Toolkit: The Complete Guide to Dimensional Modeling £27.63 |
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8% buy Microsoft Data Warehouse Toolkit: With SQL Server 2005 and the Microsoft Business Intelligence Toolset £22.09 |
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