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What is Data Warehouse Lifecycle Management (DWLM)

Chapter 108
Encyclopedia of Information Technology Curriculum Integration
The creation and ongoing management of a data warehouse throughout its operational life. DWLM delivers enterprise-scale data warehouses that adapt efficiently to change, at lower cost than traditional software development methodologies.
Published in Chapter:
Organizational Data Warehousing
John Wang (Montclair State University, USA), Xiaohua Hu (Drexel University, USA), and Dan Zhu (Iowa State University, USA)
Copyright: © 2008 |Pages: 7
DOI: 10.4018/978-1-59904-881-9.ch108
Abstract
A data warehouse (or smaller-scale data mart) is a specially prepared repository of data created to support decision making. Data are extracted from source systems, cleaned/scrubbed, transformed, and placed in data stores (Gorla, 2003). A data warehouse has data suppliers who are responsible for delivering data to the ultimate end users of the warehouse, such as analysts, operational personnel, and managers. The data suppliers make data available to end users either through structured query language (SQL) queries or custom-built decision-support applications, including decision support systems (DSS) and executive information systems (EIS).
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