Question: Subject name: DATA WAREHOUSE 5. Answer the following. a. Aggregation in data warehouse is both useful and harmful. Comment b. Give an example that aggregation

Subject name: DATA WAREHOUSE 5. Answer the following. a. Aggregation in

Subject name: DATA WAREHOUSE

5. Answer the following. a. Aggregation in data warehouse is both useful and harmful. Comment b. Give an example that aggregation is one way

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