OBJECT ORIENTED DATABASE QUIZ

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

True

False

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An attribute's value is always literal.

True

False

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

False

True

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Using ODL, you can define which of the following?

All of these

Structure

Attribute

Operation

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Which of the following is true concerning the following statement: class Manager extends Employee

Manager is a concrete class and a subclass.

Manager is a concrete class and a superclass.

Manager is an abstract class and a superclass.

Manager is an abstract class and a subclass.

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ODL supports which of the following types of association relationships?

Unary and Binary

Unary and Binary and Ternary and higher

Unary and Binary and Ternary

Unary

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A relationship should be specified how in the ODL?

Neither direction

Both directions

One direction starting with the first class

One direction starting with the second class

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

True

False

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

False

True

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Database objects are almost always transient.

False

True

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