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Object-Oriented Database
ODL supports which of the following types of association relationships?
Unary
Unary and Binary
Unary and Binary and Ternary
Unary and Binary and Ternary and higher
Correct Answer:
Unary and Binary
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Object-Oriented Database
Using ODL, you can define which of the following?
If you know all the possible values that an attribute can have, you can enumerate those values in ODL.
The ODMG Object Model supports only unary and binary relationships.
Before specifying a key for a class, you must specify its extent.
In ODL, you specify an operation using parentheses after its name.
ODL supports the abstract keyword for classes and operations.
The Object Model supports different literal types, but does not support atomic literals, collection literals, and structured literals.
An attribute's value is always literal.
A collection of literals or object types is called a bag.
Literals do not have identifiers, and, therefore, cannot be individually referenced like objects.
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