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A data warehouse centralizes and consolidates large amounts of data from various sources to support business intelligence activities, enabling better decision-making and improved data quality. It consists of components like external sources, staging areas, data warehouses, data marts, and data mining, and can be constructed using top-down or bottom-up approaches. The architecture typically follows a three-tier model, comprising data sources, an OLAP engine, and front-end tools, facilitating efficient data h
- Author
- sivanisri1319
- Language
- EN