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Object Oriented Data Modeling

Object Oriented Data Modeling
Each association has two or more roles.

True
False

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Object Oriented Data Modeling
A solid diamond represents a stronger form of aggregation, known as composition.

False
True

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Object Oriented Data Modeling
When a business rule involves three or more graphical symbols, you can show the constraint as a note and attach the note to each of the symbols by a dashed line.

False
True

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Object Oriented Data Modeling
Composition does not allow an object to be part of more than one aggregate object.

False
True

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Object Oriented Data Modeling
The term Complete for a UML has the same meaning as which of the following for an EER diagram?

Disjoint rule
Total specialization rule
Overlapping rule
Partial specialization rule

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Object Oriented Data Modeling
Which of the following is a technique for hiding the internal implementation details of an object?

Inheritance
Encapsulation
All of these
Polymorphism

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