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- Question
A data warehouse is a database system that is optimized for operational transaction processing.
Options- A. True
- B. False
- Correct Answer
- False
- 1. Business Intelligence (BI) systems do not obtain data from operational databases.
Options- A. True
- B. False Discuss
- 2. OnLine Analytical Processing (OLAP) is a BI reporting system.
Options- A. True
- B. False Discuss
- 3. In a common form of RFM analysis, customers are sorted in five groups and given a score of 1 to 5 depending on their group.
Options- A. True
- B. False Discuss
- 4. In unsupervised data mining, explanations are created after patterns are found.
Options- A. True
- B. False Discuss
- 5. Report types include static, dynamic, query and OLAP.
Options- A. True
- B. False Discuss
- 6. A data mart is a collection of data that, while smaller than a data warehouse, still addresses the entire business.
Options- A. True
- B. False Discuss
- 7. The term neural networks as used in data mining is a misnomer.
Options- A. True
- B. False Discuss
- 8. Most operational databases can be used for many BI applications.
Options- A. True
- B. False Discuss
- 9. Data Mining uses simple arithmetic techniques such as sums, averages, and groupings to perform what-if analyses, to make predictions, and to facilitate decision making.
Options- A. True
- B. False Discuss
- 10. Data warehouse data are usually normalized.
Options- A. True
- B. False Discuss
Database Processing for BIS problems
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