The Database Development Process problems
- 1. The three-schema components include all, but:
Options- A. internal schema.
- B. conceptual schema.
- C. programming schema.
- D. external schema. Discuss
Correct Answer: programming schema.
- 2. In enterprise data modeling, which is incorrect?
Options- A. You review current systems.
- B. You implement the new database.
- C. You describe the data needed at a very high level of abstraction.
- D. You plan one or more database development projects. Discuss
Correct Answer: You implement the new database.
- 3. Strategic Planning factors do not include which of the following?
Options- A. Organizational goals
- B. Critical success factors
- C. Information engineering
- D. Problem areas Discuss
Correct Answer: Information engineering
- 4. CASE tools do not include which of the following features?
Options- A. Help to draw data models
- B. Help to generate code
- C. Help to manage people
- D. Create an information repository Discuss
Correct Answer: Help to manage people
- 5. Which of the following database activities determines the entities, attributes, and relationships of data?
Options- A. Conceptual data modeling
- B. Logical database design
- C. Physical database design and definition
- D. Database implementation Discuss
Correct Answer: Conceptual data modeling
- 6. Incremental commitment does not allow a project to be easily redirected or to be terminated.
Options- A. True
- B. False Discuss
Correct Answer: False
- 7. Packaged data models can reduce implementation times and costs.
Options- A. True
- B. False Discuss
Correct Answer: True
- 8. The systems development life cycle cannot be used with database implementation.
Options- A. True
- B. False Discuss
Correct Answer: False
- 9. With an enterprise data model, it is much easier to build applications because you know exactly what data exist and what needs to be added.
Options- A. True
- B. False Discuss
Correct Answer: True
- 10. Enterprise data modeling typically occurs during information systems planning.
Options- A. True
- B. False Discuss
Correct Answer: True
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