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What is Data Warehousing and OLAP Overview about?

This document provides an overview of data warehousing and OLAP. It discusses the key characteristics of a data warehouse, including being subject oriented, integrated, and non-volatile. It also describes the general architecture of a data warehouse, including extracting data from various sources, cleaning and transforming the data, and storing it in a multidimensional structure for analysis. Finally, it compares different types of data warehouse models like virtual warehouses, data marts, and enterprise wa

Author

Shiva Parvanda

Language

EN