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Object Oriented Database

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

False
True

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Object Oriented Database
Literals do not have identifiers, and, therefore, cannot be individually referenced like objects.

False
True

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Object Oriented Database
An atomic literal is which of the following?

All of these
Boolean
Long
Strings

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

Dictionary
Bag
List
Set

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Object Oriented Database
Database objects are almost always transient.

True
False

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

True
False

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