GAT | CS | 2016 | Set 1 | Databases | Key Concepts | Question 31

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Which of the following is NOT a superkey in a relational schema with attributes V, W, X, Y, Z and primary key V Y ?

V X Y Z

V W X Z

V W X Y

V W X Y Z

This question is part of this quiz :

Database Design(Normal Forms),GATE-CS-2016 (Set 1)
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DBMS Quiz
GATE
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