Consider the data given in above question. Which of the following is a correct attribute set for one of the tables for the correct answer to the above question?
(A) {M1, M2, M3, P1}
(B) {M1, P1, N1, N2}
(C) {M1, P1, N1}
(D) {M1, P1}
Answer: (A)
Explanation: As given in the explanation https://www.geeksforgeeks.org/gate-gate-cs-2008-question-82/amp/
We get 3 tables.
M: {M1, M2, M3, P1}
P: {P1, P2}
N: {P1, N1, N2}
The only attribute set that matches the given table sets is A. Therefore, option A
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