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    Data warehouse differ from operational files or databases

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    I need clarification regarding the following questions: Every large organization has large files or databases containing data used in operating the business. Does a data warehouse differ from these operational files or databases? Explain why or why not.

    (At least 200 words).

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    https://brainmass.com/computer-science/databases/502420

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    A data warehouse is a store of date acquired from a wide array of sources. This data is usually not updated in a live processing environment. Many times a nightly process takes the day's transactions and uploads them into a data warehouse. Data warehouses are typically used by management to look at business trends, ...

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