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Class Diagram
A class diagram is required to support functional necessity of system. In a static design view, class diagram is used to model vocabulary of the system, simple collaboration and logical schema. It consists of sets of classes, interfaces, collaborations, dependency and generalization and association relationship. The notation for classes and the relationship among classes is shown as:
Figure: Relationship among classes
Record based Logical Models: Use records as the key data representation components Examples: Relational Model: It shows data as well as relationship between data in the form
imagery
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