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- Question
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.
- Correct Answer
- You implement the new database.
- 1. The three-schema components include all, but:
Options- A. internal schema.
- B. conceptual schema.
- C. programming schema.
- D. external schema. Discuss
- 2. The Enterprise tier of the three-tiered database architecture includes:
Options- A. managing the data.
- B. managing the User-system interface.
- C. processing HTTP protocol.
- D. processing scripting tasks. Discuss
- 3. An entity type is which of the following?
Options- A. A major category of data about people, place, and things
- B. The various departments of an organization
- C. The application software
- D. The business processes the support the mission of an organization Discuss
- 4. Which of the following database activities allow for the actual retrieval and use of a database?
Options- A. Enterprise modeling
- B. Logical database design
- C. Physical database design and definition
- D. Database implementation Discuss
- 5. User views are included as part of which schema?
Options- A. Internal
- B. Conceptual
- C. External
- D. None of the above. Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. A subtype entity name should be which of the following?
Options- A. A singular noun
- B. Specific to the organization
- C. Concise
- D. All of the above Discuss
- 10. A supertype/subtype hierarchy has which of the following features?
Options- A. Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype.
- B. Attributes are assigned at the highest logical level.
- C. Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype.
- D. Attributes are assigned at the lowest logical level. Discuss
The Database Development Process problems
Search Results
Correct Answer: programming schema.
Correct Answer: managing the data.
Correct Answer: A major category of data about people, place, and things
Correct Answer: Database implementation
Correct Answer: External
Correct Answer: Information engineering
Correct Answer: Help to manage people
Correct Answer: Conceptual data modeling
Correct Answer: All of the above
Correct Answer: Attributes are assigned at the highest logical level.
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