what is best way to represent below one to one relationship in the relational model? A)combine student and preference relation and select the combination of studentno and prefno as the primary key of new relation B)include studentno as a forein key in the preference relation C)combine student and preference relation and select studentno as the primary key of new relation D)include prefno as a foreign key in the student relation

Q: re three reasons why the main key of a relation has to be replaced with a surrogate key?

A: Here are three reasons why the main key of a relation has to be replaced with a surrogate key.

Q: Convert ERD to relations and show functional dependency of all relations

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Q: If a relational model exists, what is the overall term for characteristics, and how are they used?

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Q: What is the generic term for an attribute and how is it used in a relational model, if applicable?

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A: Actually, database is a used to stored the data.

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Q: How do you represent an M: N ternary relationship in a relational data model?

A:

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A: Since you have asked multiple question, we will solve the first 3 questions for you. If you want any…

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A: Relational Database schema is given below :

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