A foreign key is which of the following? Options: A . &nbspAny attribute B . &nbspThe same thing as a primary key C . &nbspAn attribute that serves as the primary key of another relation D . &nbspAn attribute that serves no purpose

A foreign key is which of the following?

Question

A foreign key is which of the following?

Options:

A . Any attribute

B . The same thing as a primary key

C . An attribute that serves as the primary key of another relation

D . An attribute that serves no purpose

Answer: Option C

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