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Object Oriented Data Modeling

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

All of these
Inheritance
Encapsulation
Polymorphism

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

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

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Object Oriented Data Modeling
An aggregation is a stronger form of association relationship and is represented with a solid diamond at the aggregate end.

True
False

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Object Oriented Data Modeling
An object's state is determined by its attribute values and links to other objects.

True
False

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Object Oriented Data Modeling
The reasons for overriding include extension, restriction, and optimization.

True
False

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Object Oriented Data Modeling
Which of the following applies to a class rather than an object?

Query
Constructor
Scope
Update

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