Q83

MCQ2 marks, −0.5

Consider the following $\text{ER}$ diagram

The minimum number of tables needed to represent $M$ , $N$ , $P$ , $R1$ , $R2$ is Which of the following is a correct attribute set for one of the tables for the minimum number of tables needed to represent $M$ , $N$ , $P$ , $R1$ , $R2$ ?

(A)

${M1, M2, M3, P1}$

(B)

${M1, P1, N1, N2}$

(C)

${M1, P1, N1}$

(D)

${M1, P1}$

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