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Home ‣ Database ‣ Object-Oriented Database Comments
  • Question

  • An ordered collection of elements of the same type are called sets.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Object-Oriented Database problems

    Search Results

    • 1. The ODMG Object Model requires that a relationship be specified in both directions.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Database objects are almost always transient.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. An attribute's value is either a literal or an object identifier.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. Literals do not have identifiers, and, therefore, cannot be individually referenced like objects.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. A collection of literals or object types is called a bag.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Specifying a key ensures that no two objects belonging to a class have the same value for the key attribute(s).

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. You may specify an object identifier with only one unique tag name.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Most companies keep at least two versions of any database they are using.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Microsoft Access has become ubiquitous, and being able to program in Access is a critical skill.

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    • A. True
    • B. False
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