Question: Data in a typical data warehouse may be denormalized to improve performance because the data does not have necessarily have to be absolutely current the

Data in a typical data warehouse may be denormalized to improve performance because the data does not have necessarily have to be absolutely current the data must be of high quality Odata about each of the

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subjects in the data warehouse is typically collected from several of the company's transactional databases data integrity problems are not a concern since the existing data is not updated the data may be aggregated

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