UGC-NET | UGC NET CS 2017 Jan – II | Question 18

Let M and N be two entities in an E-R diagram with simple single value attributes. R₁ and R₂
are two relationship between M and N, where as R₁ is one-to-many and R₂ is many-to-many.
The minimum number of tables required to represent M, N, R₁ and R₂ in the relational model are _______.

(A) 4
(B) 6
(C) 7
(D) 3

Answer: (D)
Explanation: For explanation Refer:GATE | GATE-CS-2005 | Question 90
Option (D) is correct.
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