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Which of the following is an attribute that can uniquely identify a row in a table?

Which of the following is an attribute that can uniquely identify a row in a table?

 

Which of the following is an attribute that can uniquely identify a row in a table?

(a)

Secondary key

(b)

Candidate key

(c)

Foreign key

(d)

Alternate key

(e)

None of the above.

 

Johnson 27-Dec-2017

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