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Object-Oriented Data Modeling
The UML notation is useful for graphically depicting an object-oriented analysis or design model.
True
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True
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Object-Oriented Data Modeling
A derived element is typically shown by placing either a slash (/) or a stereotype of < > before the name of the element.
A class is a concept, abstraction, or thing that makes sense in an application context.
An operation that alters the state of an object is known as a constructor operation.
In UML, a class is represented by a rectangle with three compartments separated by vertical lines.
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 solid diamond represents a stronger form of aggregation, known as composition.
In an object diagram, an object is represented as a rectangle with two compartments.
The reasons for overriding include extension, restriction, and optimization.
An aggregation is a stronger form of association relationship and is represented with a solid diamond at the aggregate end.
Each association has two or more roles.
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