Question: a . For each relation, identify which attribute ( s ) , if any, would be considered foreign keys. Explain your rationale. b . Next,

a. For each relation, identify which attribute(s), if any, would be considered foreign keys. Explain your rationale.
b. Next, in cases where a foreign key serves as a part of the primary key for that relation, why does that relation require a multi-attribute primary key?

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