What is Data Warehouse?
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What is Data Warehouse?
A data warehouse is a centralized repository for storing large volumes of structured, historical data from multiple sources. It is optimized for analytical queries rather than transactional operations. Data warehouses power business intelligence, reporting, and data analysis, providing a single source of truth across an organization.
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It is lesson 52 of 186 in the free Data Engineer roadmap, in stage 18, What is Data Warehouse?. If you are new to Data Engineer, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.