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MCQs

Total Questions : 26 | Page 3 of 3 pages
Question 21.  An entity type is which of the following?
  1.    A major category of data about people, place, and things
  2.    The various departments of an organization
  3.    The application software
  4.    The business processes the support the mission of an organization
 Discuss Question
Answer: Option A. -> A major category of data about people, place, and things
Question 22. . Which of the following database activities require a specific knowledge of a DBMS?
  1.    Enterprise modeling
  2.    Conceptual data modeling
  3.    Logical database design
  4.    Physical database design and definition
 Discuss Question
Answer: Option D. -> Physical database design and definition
Question 23. . User views are included as part of which schema?
  1.    Internal
  2.    Conceptual
  3.    External
  4.    None of the above.
 Discuss Question
Answer: Option C. -> External
Question 24. . In enterprise data modeling, which is incorrect?
  1.    You review current systems.
  2.    You implement the new database.
  3.    You describe the data needed at a very high level of abstraction.
  4.    You plan one or more database development projects.
 Discuss Question
Answer: Option B. -> You implement the new database.
Question 25. . Whose role is it to determine the requirements and design for a database?
  1.    Database analysts
  2.    Database administrators
  3.    Both A and B.
  4.    Neither A or B.
 Discuss Question
Answer: Option A. -> Database analysts
Question 26. . Whose role is it to determine the requirements and design for a database?
  1.    Database analysts
  2.    Database administrators
  3.    Both A and B.
  4.    Neither A or B.
 Discuss Question
Answer: Option A. -> Database analysts

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