GATE | GATE-CS-2014-(Set-2) | Question 32

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Given the STUDENTS relation as shown below. 

 

For (StudentName, StudentAge) to be the key for this instance, the value X should not be equal to

18

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17

20

This question is part of this quiz :

Database Design(Normal Forms),GATE-CS-2014-(Set-2)
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DBMS Quiz
GATE
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