logo

CuriousTab

CuriousTab

Discussion

Home ‣ Database ‣ Object-Oriented Database Comments
  • Question

  • Database objects are almost always transient.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 

    • Object-Oriented Database problems

    Search Results

    • 1. An attribute's value is either a literal or an object identifier.

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

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. An attribute's value is always literal.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The Object Model supports different literal types, but does not support atomic literals, collection literals, and structured literals.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The ODMG Object Model requires that a relationship be specified in both directions.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. An ordered collection of elements of the same type are called sets.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. 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
    • 9. You may specify an object identifier with only one unique tag name.

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

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

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.