Teaching Haryana (HPSC) PGT Mock Test 2024 DBMS Query Language Relational Model

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

1
VWXZ
2
VXYZ
3
VWXY
4
VWXYZ
5
Question Not Attempted
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