Multiple choice

Which of the following properties of data warehouse is not correct?

  1. Data warehouses are not usually relational but multidimensional.

  2. Data warehouses cannot be indexed.

  3. Data warehouses exist as persistent storage.

  4. These provides specific support of functionality.

  5. These provides large amounts of integrated and often temporal data.
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B Correct answer
Explanation

This property of data warehouse is not correct as data warehouses can be indexed to optimise performance.

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