A connection like sec course may be built from a collection of many-to-one connections. To what extent do the primary and foreign key restrictions enforce the many-to-one cardinality limitation of the relation? I was wondering why you came to that conclusion.

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A: Lets see the solution  in the next steps

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A: GIVEN: What are the benefits of the use of a surrogate key?

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A: The answer is given below:-

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A: The cardinality of the above relation is 4  Cardinality is just number of tuples in a relation.

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Q: Consider the relation sec course, which is the result of a many-to-one connection set sec course. Do…

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Q: Let's say there is only room for one student in a course, and two people are seeking to sign up.…

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A: total number of super key is :: 8   solution provided in step2

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