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Define constraints. How they are applied ? Give example OR What are constraints? How they are applied?
written 5.3 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 5.3 years ago

Subject: Object Oriented Modeling and Design

Difficulty: Medium

Marks: 4 Marks
object oriented programming
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written 5.3 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 5.3 years ago

Definition: Constraint is a Boolean condition involving model elements such as objects, classes, attributes, links and associations. A constraint restricts the values that entities/elements can assume.

Notation: Constraint is shown as text written inside curly bracket. {Constraint}

Example: -

Constraints on Objects: In the above example a constraint is specified …

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