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What is Understanding Data Warehousing Concepts about?

The document discusses the origins and definition of data warehousing. It describes how data warehousing emerged from the interaction between database developers and decision support software developers in need of large data sources. The key points are: 1) A data warehouse is a dedicated database for decision making that is separate from operational databases and optimized for analysis over long time horizons. 2) Data warehouses integrate data from multiple sources, clean the data for uniform definitions

Author

madeeha

Language

EN