Computer Sciences > GATE 2014 SET-1 > Relational Database
Consider the relation scheme
R = (E, F, G, H, I, J, K, L, M, N)
and the set of functional dependencies {{E, F} → {G}, {F} → {I, J}, {E, H} → {K, L}, {K} → {M}, {L} → {N}}. Which of the following is a key for R?
R = (E, F, G, H, I, J, K, L, M, N)
and the set of functional dependencies {{E, F} → {G}, {F} → {I, J}, {E, H} → {K, L}, {K} → {M}, {L} → {N}}. Which of the following is a key for R?
Correct : b
Similar Questions
Given the following statements: S1: A foreign key declaration can always be replaced by an equivalent check assertion in SQL. S2: Given the table R(a, b, c) w...
A palindrome is a word that reads the same forwards and backwards. In a game
of words, a player has the following two plates painted with letters.
From...
Which number does not belong in the series below?
2, 5, 10, 17, 26, 37, 50, 64
Total Unique Visitors
Loading......