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March 24, 2008 ADBS: DW 1 Overview of Data Warehousing

Summary: March 24, 2008 ADBS: DW 1
Overview of Data Warehousing
and OLAP
Chapter 28
March 24, 2008 ADBS: DW 2
Chapter Outline
What is a data warehouse (DW)
Conceptual structure of DW
Why separate DW
Data modeling for DW
Online Analytical Processing (OLAP)
Building A Data Warehouse
Warehouse vs. Data Views
March 24, 2008 ADBS: DW 3
- What is Data Warehouse?
Defined in many different ways, but not rigorously.
A decision support database that is maintained separately from
the organization's operational database
Support information processing by providing a solid platform of
consolidated, historical data for analysis.


Source: Adam, Salah - Department of Information and Computer Science, King Fahd University of Petroleum and Minerals


Collections: Computer Technologies and Information Sciences