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A super key that does not contain a subset of attributes that is itself a super key is cal

A super key that does not contain a subset of attributes that is itself a super key is cal

A super key that does not contain a subset of attributes that is itself a super key is called a
(a)   Candidate key   (b)  Primary key                                     (c)  Super key
(d)   Secondary key  (e)  Foreign key.

Johnson 27-Dec-2017

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