GATE | GATE-CS-2014-(Set-2) | Question 32
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
(A)
18
(B)
19
(C)
17
(D)
20
Answer: (B)
Explanation:
There is already an entry with same name and age as 19. So the age of this entry must be something other than 19.
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Last Updated :
28 Jun, 2021
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