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Data Warehousing and OLAP Overview by sridhar66832 is a document available to read on EtoBox.

What is Data Warehousing and OLAP Overview about?

The document discusses data warehousing and OLAP. It defines a data warehouse as a subject-oriented, integrated, time-variant collection of data used to support management decision making. A key purpose of a data warehouse is to bring together information from multiple sources into a consistent database to support decision making. It also separates the data warehouse from operational databases and transaction systems to improve performance for analytics and decision support queries.

Author

sridhar66832

Language

EN