Home / CSE / Database System 2 - CS :: Object Oriented Data Modeling

CSE :: Database System 2 - CS

  1. A derived element is typically shown by placing either a slash (/) or a stereotype of <> before the name of the element.

  2. A.

     True

    B.

     False

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. Composition does not allow an object to be part of more than one aggregate object.

  4. A.

     True

    B.

     False

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. In an object diagram, an object is represented as a rectangle with two compartments.

  6. A.

     True

    B.

     False

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. An operation that alters the state of an object is known as a constructor operation.

  8. A.

     True

    B.

     False

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. Each association has two or more roles.

  10. A.

     True

    B.

     False

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. An aggregation is a stronger form of association relationship and is represented with a solid diamond at the aggregate end.

  12. A.

     True

    B.

     False

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. The UML notation is useful for graphically depicting an object-oriented analysis or design model.

  14. A.

     True

    B.

     False

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. Multiple inheritance allows a class to inherit features from more than one superclass.

  16. A.

     True

    B.

     False

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. The reasons for overriding include extension, restriction, and optimization.

  18. A.

     True

    B.

     False

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. An object's state is determined by its attribute values and links to other objects.

  20. A.

     True

    B.

     False

    View Answer

    Workspace

    Discuss Discuss in Forum