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CSE :: Database System 2 - CS

  1. Literals do not have identifiers, and, therefore, cannot be individually referenced like objects.

  2. A.

     True

    B.

     False

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  3. A collection of literals or object types is called a bag.

  4. A.

     True

    B.

     False

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

  6. A.

     True

    B.

     False

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  7. Database objects are almost always transient.

  8. A.

     True

    B.

     False

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  9. An attribute's value is always literal.

  10. A.

     True

    B.

     False

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  11. Specifying a key ensures that no two objects belonging to a class have the same value for the key attribute(s).

  12. A.

     True

    B.

     False

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  13. If you know all the possible values that an attribute can have, you can enumerate those values in ODL.

  14. A.

     True

    B.

     False

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  15. You may specify an object identifier with only one unique tag name.

  16. A.

     True

    B.

     False

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  17. In ODL, you specify an operation using parentheses after its name.

  18. A.

     True

    B.

     False

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

  20. A.

     True

    B.

     False

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