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

A foreign key is which of the following?

Question - A foreign key is which of the following?

Options:

A . The same thing as a primary key

B . An attribute that serves no purpose

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

D . Any attribute

Answer: Option C

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