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Object Oriented Data Modeling

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

Query
Constructor
Scope
Update

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

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

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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
In an object diagram, an object is represented as a rectangle with two compartments.

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
The reasons for overriding include extension, restriction, and optimization.

False
True

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