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Object-Oriented Database
Database objects are almost always transient.
True
Correct Answer:
False
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Object-Oriented Database
The ODMG Object Model requires that a relationship be specified in both directions.
An ordered collection of elements of the same type are called sets.
Specifying a key ensures that no two objects belonging to a class have the same value for the key attribute(s).
You may specify an object identifier with only one unique tag name.
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