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AIN2601-25-S2

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Which one of the following statements, relating to data warehouses and data marts, is NOT correct?

A relational or multidimensional database model is normally used for data warehouses.

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A data mart is the backbone for data mining and business intelligence software.

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Running queries on a data mart is much faster than on a data warehouse.

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A data warehouse is “read-only” as it is only updated by the source databases.

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