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Databases Illuminated, 4th Edition
book

Databases Illuminated, 4th Edition

by Catherine M. Ricardo, Susan D. Urban, Karen C. Davis
March 2022
Intermediate to advanced content levelIntermediate to advanced
682 pages
22h 58m
English
Jones & Bartlett Learning
Content preview from Databases Illuminated, 4th Edition

15.6 Developing a Data Warehouse

There are three competing methodologies for developing data warehouses, called top-down, bottom-up, and data vault. The latter is a hybrid that was created to leverage advantages and mitigate disadvantages of the other two methods.

15.6.1 Top-Down Method

W. H. Inmon described his method of building a data warehouse as a top-down method, one that starts with a general solution that is gradually refined. He called for building an enterprise-wide data warehouse as the centerpiece for a Corporate Information Factory, which is a delivery framework for business intelligence. Because the data warehouse must support unanticipated queries and reports, it is impossible to determine all the system requirements in advance. ...

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Publisher Resources

ISBN: 9781284231595