OBJECT ORIENTED DATABASE QUIZ

Before specifying a key for a class, you must specify its extent.

False

True

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

True

False

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

False

True

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Which of the following is an ordered collection of elements of the same type?

Dictionary

Bag

Set

List

TRUE ANSWER : ?
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You may specify an object identifier with only one unique tag name.

True

False

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The reserved word enum is used for which of the following?

To define a range for an attribute.

To define a range for a class.

All of these

To define a range for a relationship.

TRUE ANSWER : ?
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An attribute's value is either a literal or an object identifier.

True

False

TRUE ANSWER : ?
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Which of the following is an unordered collection of elements that may contain duplicates?

Bag

Dictionary

List

Set

TRUE ANSWER : ?
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A collection of literals or object types is called a bag.

True

False

TRUE ANSWER : ?
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The Object Model supports different literal types, but does not support atomic literals, collection literals, and structured literals.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

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