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DAL system provides user an easy to use website interface for vehicle registration, driving licenses, and many other transportation related information.
Good DAL system provide:
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User and Vehicle registration
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Reachability and appointment scheduling
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User Service Management
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Ease of Use
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Interfacing with financial firms
The following information models represent different aspects of a general DAL system. These models, represented in UML (Unified Modeling Language), can be customized and extended if needed.
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Use Cases: capture the activities performed by the system and the key players. These correspond to the Functional Requirements
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System Sequence Diagram (SSD): Refinement of Use cases. Shows the sequence of activities/messages between the players
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Class Diagram: Shows the key objects in the system and their properties (attributes and methods)
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