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Object Oriented Data Modeling

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

Scope
Update
Constructor
Query

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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.

True
False

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Object Oriented Data Modeling
A method defines the form or protocol of the operation, but not its implementation.

True
False

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Object Oriented Data Modeling
In UML, a class is represented by a rectangle with three compartments separated by vertical lines.

True
False

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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.
The ability to tackle more challenging problems
Reusability of analysis, design, and programming results
All of these

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

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