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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
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
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What are the disadvantages of relational data ? Disadvantages • Performance - If the number of tables among that relationships to be established are large and the tables t
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