The Area being Modelled is :-
Patient Tests

Here is the Naveed's question ..

i'm student of BCS i made ERD model test base medical history of patient ...............

but i don't think that how to relationship with eachother....

please tell me relationship entity with other entity.....

and must be make a week entity and one a relation name (IS A)...(Many-Many),(One-Many).....



And here is Naveed's Draft Data Model ...




B. Barry says the Things of Interest are :-
1. Patients
2. Tests
3. X-Rays
4. Others to be determined

C. The Business Rules are as follows :-
1. To be determined.



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