Construct an E-R diagram for a hospital with a set of patients and a set of medical doctors. Associate with each patient a log of the various tests and examinations conducted.
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Unified Modeling Language (UML)
The Unified Modeling Language (UML) is a graphical model used to create specifications for various components of a software system. The parts of UML include: Class Diagram : similar to E – R diagram Use case Diagram : shows the interaction between users and the system, and the steps of tasks that user performs. Activity Diagram : depicts the flow of tasks between various components of the system. Implementation Diagram : shows the system components (both, software level and hardware level) and their interconnections