Question: Data in a typical data warehouse may be denormalized to improve performance because q , the data may be aggregated data about each of the

Data in a typical data warehouse may be denormalized to improve performance because q,
the data may be aggregated
data about each of the "subjects" in the data warehouse is typically collected from several of the company' transactional databases
the data does not have necessarily have to be absolutely current
data integrity problems are not a concern since the existing data is not updated
the data must be of high quality
Data in a typical data warehouse may be denormalized to improve

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