A primary key is which of the following? Options: A . &nbspAn attribute that uniquely identifies each column B . &nbspA derived attribute C . &nbspAn attribute that uniquely identifies each row D . &nbspAny attribute

A primary key is which of the following?

Question - A primary key is which of the following?

Options:

A . An attribute that uniquely identifies each column

B . A derived attribute

C . An attribute that uniquely identifies each row

D . Any attribute

Answer: Option C

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