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Entity-relationship Model and Mountain View Community

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Turgut Tezir TEZIR-1 CS 504.2354 Mountain View Community Hospital Project Case 3 Project Question: 1. Why would Mountain View Community Hospital want to use entity-relationship modeling to understand its data requirements? What other ways might the hospital want to model its information requirements? This hospital wants to use E-R modeling to understand data requirements. E-R modeling is very easy to understand and shows all the business rules. • Entity-relationship modeling is logical representation of the data for an organization or for a business area. The E-R model is expressed in terms of entities in the business environment, the relationship among those entities, and attributes of both entities and their …show more content…

Make any additional assumption you consider necessary in order to represent this situation. Yes, it allows the same treatment to be performed more than one on the same patient by the same physician. Turgut Tezir TEZIR-5 CS 504.2354 Mountain View Community Hospital Project Case 3 Project Question: 1. Is the ability to model supertype / subtype relationships likely to be important in a hospital environment such as Mountain View Community Hospital? Why or why not? A supertype / subtype relationship is important. For example: Hospital might supply different kids of items for the patients and for the general needs for the hospital Another Example is Patient. Patient can be in patient and out patient. We can give lots of different kinds of example about supertype / subtype like this. 2. Can the business rules paradigm and the ability to easily define, aliment and maintain business rules be used as competitive advantage in a hospital environment such as Mountain View Community Hospital? Why or why not? If the Mountain View Community Hospital wants to be successful in the future, they have to change their business rules depend on the environment. Therefore business rules allow business to change its processes. In this case Business rules paradigm can be used for competitive advantage 3. Do there appear to be any week entity in the description of the data requirements in

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