Discussion
Data Warehouse provides
Answer: B
A data warehouse is a store of integrated, subject-oriented, historical data collected from many sources for analysis, and it provides storage and the functionality to respond quickly to the queries that analysis needs. Transaction responsiveness is the job of the OLTP system, which handles day-to-day transactions, and demand and supply responsiveness is not a feature of a warehouse. The answer is 'Storage, Functionality Responsiveness to queries', option (B).
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