Database - Object-Oriented Data Modeling

Exercise :: Object-Oriented Data Modeling - True or False

1. 

A method defines the form or protocol of the operation, but not its implementation.

A. True
B. False

Answer: Option B

Explanation:

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2. 

A class is a concept, abstraction, or thing that makes sense in an application context.

A. True
B. False

Answer: Option A

Explanation:

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3. 

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

A. True
B. False

Answer: Option B

Explanation:

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4. 

A solid diamond represents a stronger form of aggregation, known as composition.

A. True
B. False

Answer: Option A

Explanation:

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5. 

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.

A. True
B. False

Answer: Option A

Explanation:

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