Some Issues in Design of Data Warehousing Systems

Some Issues in Design of Data Warehousing Systems

Ladjel Bellatreche (University of Science Technology, Hong Kong), Kamalakar Karlapalem (University of Science Technology, Hong Kong) and Mukesh Mohania (Western Michigan University, USA)
DOI: 10.4018/978-1-878289-88-9.ch006
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Abstract

Information is one of the most valuable assets of an organization, and when used properly can assist intelligent decision-making that can significantly improve the functioning of an organization. Data warehousing is a recent technology that allows information to be easily and efficiently accessed for decision-making activities. On-line analytical processing (OLAP) tools are well studied for complex data analysis. A data warehouse is a set of subject-oriented, integrated, time varying and non-volatile databases used to support the decision-making activities (Inmon, 1992).

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