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Object Oriented Database

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

True
False

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

True
False

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Object Oriented Database
The Object Query Language is which of the following?

Similar to SQL and uses a from-where structure
Similar to SQL and uses a select-from-where structure
Similar to SQL and uses a select-where structure
Not similar to SQL

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

Bag
Dictionary
Set
List

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Object Oriented Database
The keyword "inverse" is used in which of the following?

Attribute
Relationship
All of these
Class

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

True
False

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