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Home ‣ Database ‣ Object-Oriented Data Modeling Comments
  • Question

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


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Object-Oriented Data Modeling problems

    Search Results

    • 1. A solid diamond represents a stronger form of aggregation, known as composition.

    • Options
    • A. True
    • B. False
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    • 2. When a business rule involves three or more graphical symbols, you can show the constraint as a note and attach the note to each of the symbols by a dashed line.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. In UML, a class is represented by a rectangle with three compartments separated by vertical lines.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. An operation that alters the state of an object is known as a constructor operation.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. A class is a concept, abstraction, or thing that makes sense in an application context.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The reasons for overriding include extension, restriction, and optimization.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. An aggregation is a stronger form of association relationship and is represented with a solid diamond at the aggregate end.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Each association has two or more roles.

    • Options
    • A. True
    • B. False
      • Discuss

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