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Old 11-05-04, 07:10
b737 b737 is offline
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Join Date: Mar 2004
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Question Functional Data Model

Hi,
If anyone is familiar with a functional data model, can you inform me as to when you have link functions between two entities?is there a rule of thumb or does it have to be indicated in the specification.
for example a:2 entities student and course, a student receives a grade from a course, therefore we can link student and course together by an attribute grade.
please help,
thank you
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