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Object Oriented Data Modeling

Object Oriented Data Modeling
In an object diagram, an object is represented as a rectangle with two compartments.

False
True

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Object Oriented Data Modeling
The fact that the same operation may apply to two or more classes is called what?

Encapsulation
Polymorphism
Multiple classification
Inheritance

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Object Oriented Data Modeling
The benefits of object-oriented modeling are which of the following?

All of these
The ability to tackle more challenging problems
Reusability of analysis, design, and programming results
Improved communication between users, analysts, etc.

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

True
False

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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?

Total specialization rule
Partial specialization rule
Overlapping rule
Disjoint rule

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Object Oriented Data Modeling
Which of the following statement is true concerning objects and/or classes?

A class is an instance of an object.
An object includes encapsulates only data.
A class includes encapsulates only data.
An object is an instance of a class.

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