Question: 1. Explain what an online transaction-processing (OLAP) system does. 2. Why are data in databases volatile? 3. What are the differences between databases and data

1. Explain what an online transaction-processing (OLAP) system does. 2. Why are data in databases volatile? 3. What are the differences between databases and data warehouses? 4. Why might a company invest in a data mart? 5. Describe data mining. 6. What is text mining? 7. What are the business benefits of BI

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