aaa A d N R T bbb B N S CCC Convert the above ER diagram to relations in the normal manner, and then identify which of the following is a relation schema. OA. T(aaa, bbb.ccc) O B.S(bbb, ccc) OC.A(aaa, d) O D.R(aaa, bbb)

Q: EER (Enhanced Entity Relationship) diagram: C) Person o person ID : int name: string address :…

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Q: 39 Refer to the following ER diagram to answer the question below: PK Student SSN Name Year GPA How…

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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: By giving an example, define the following terms: A. Coding B. Relation and Relationship

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Q: Description of three circumstances in which it is appropriate to generate a replacement key for the…

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Q: Describe the differences in meaning between the terms relation and relation schema.

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Q: An explanation of the three circumstances in which the secondary key of a relation should be used…

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Q: 5. Database design often involves decisions about the storage of attributes. For example a Telephone…

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Q: OE-> E QUESTION 8 What is the type of relationship between Person and Club in this diagram? Person…

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Q: Suppose you are going to design an instant messaging application called Telegraph. Telegraph is…

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Q: Explain three cases when a surrogate key should be generated in place of the main key of a relation.

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Q: Map the EER diagram to a relational schema and transform the relation into 3NF

A: The objective of the question is to map the given Enhanced Entity Relationship (EER) diagram into a…