logo

CuriousTab

CuriousTab

Discussion

Home ‣ Database ‣ Object-Oriented Database Comments
  • Question

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


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Object-Oriented Database problems

    Search Results

    • 1. Database objects are almost always transient.

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

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

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

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

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

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

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. 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

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.