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- Question
A conceptual schema is usually depicted in graphical format using E-R or object-modeling notations.
Options- A. True
- B. False
- Correct Answer
- True
- 1. Functional decomposition is the process of breaking down the functions of an organization into greater levels of detail.
Options- A. True
- B. False Discuss
- 2. During logical database design, the conceptual data model is transformed into a logical data model which describes the data in terms of a specific data management technology.
Options- A. True
- B. False Discuss
- 3. The longest step of database development is database maintenance.
Options- A. True
- B. False Discuss
- 4. The physical database design identifies data integrity and security requirements.
Options- A. True
- B. False Discuss
- 5. One of the most popular systems development life cycle methods is prototyping.
Options- A. True
- B. False Discuss
- 6. There are three stages involved when analyzing the initiation of an information systems project.
Options- A. True
- B. False Discuss
- 7. The goal of information systems planning is to align information technology with the business strategies of the organization.
Options- A. True
- B. False Discuss
- 8. The most important reason for data architecture is reliability.
Options- A. True
- B. False Discuss
- 9. Overlapping and disjoint subtypes have different approaches on how the subtype discriminator is applied.
Options- A. True
- B. False Discuss
- 10. There is cardinality on an EER between the supertype and subtype.
Options- A. True
- B. False Discuss
The Database Development Process problems
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