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MCQs

Total Questions : 30 | Page 2 of 3 pages
Question 11. User views are included as part of which schema?
  1.    External
  2.    Internal
  3.    Conceptual
  4.    None of these
 Discuss Question
Answer: Option A. -> External
Question 12. Whose role is it to determine the requirements and design for a database?
  1.    Neither A or B
  2.    Database administrators
  3.    Database analysts
  4.    Both A and B
 Discuss Question
Answer: Option C. -> Database analysts
Question 13. CASE tools do not include which of the following features?
  1.    Create an information repository
  2.    Help to draw data models
  3.    Help to generate code
  4.    Help to manage people
 Discuss Question
Answer: Option D. -> Help to manage people
Question 14. In enterprise data modeling, which is incorrect?
  1.    You describe the data needed at a very high level of abstraction.
  2.    You implement the new database.
  3.    You plan one or more database development projects.
  4.    You review current systems.
 Discuss Question
Answer: Option B. -> You implement the new database.
Question 15. Which of the following database activities require a specific knowledge of a DBMS?
  1.    Physical database design and definition
  2.    Logical database design
  3.    Enterprise modeling
  4.    Conceptual data modeling
 Discuss Question
Answer: Option A. -> Physical database design and definition
Question 16. There is one physical schema for each logical schema.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 17. The most important reason for data architecture is reliability.
  1.    False
  2.    True
 Discuss Question
Answer: Option A. -> False
Question 18. 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.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 19. The systems development life cycle cannot be used with database implementation.
  1.    False
  2.    True
 Discuss Question
Answer: Option A. -> False
Question 20. Enterprise data modeling typically occurs during information systems planning.
  1.    False
  2.    True
 Discuss Question
Answer: Option B. -> True

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