A ________ of a relation is a set of one or more attributes whose values are guaranteed to identify tuples in the relation uniquely.

A ________ of a relation is a set of one or more attributes whose valu

1.	A ________ of a relation is a set of one or more attributes whose values are guaranteed to identify tuples in the relation uniquely.
A.	super key
B.	key
C.	foreign key
D.	scheme
Answer» B. key

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A ________ of a relation is a set of one or more attributes whose values are guaranteed to identify tuples in the relation uniquely.

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