OBJECT ORIENTED DATABASE QUIZ

The object definition language (ODL) is which of the following?

Used to develop logical schemas

A data definition language for OODB

All of these

A method to implement a logical schema

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

False

True

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

True

False

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

False

True

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Identify the class name for the following code: ABC123 course();

ABC123

course()

All of these

course

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

False

True

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ODL supports the abstract keyword for classes and operations.

False

True

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Which of the following is true concerning an ODBMS?

They are overtaking RDBMS for all applications.

They are most useful for traditional, two-dimensional database table applications.

They have the ability to store complex data types on the Web.

All of these

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

False

True

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

Dictionary

Bag

Set

List

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