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What is Data Warehousing and OLAP Explained about?

The document provides an overview of data warehousing, highlighting its separation from operational databases, features, architectures, and the ETL process. It explains the importance of data marts and various data warehouse models, as well as the significance of schema design, particularly the star schema. Additionally, it discusses the roles of fact and dimension tables in organizing and analyzing data.

Author

mish9976.pc

Language

EN