Question: 1 and 2 P estion 3) and 4) are based on the following E/R diagram: A7 A2 A5 A8 A3 E2 E1 R1 R2 R3

1 and 2 P estion 3) and 4) are based on the following E/R diagram: A7 A2 A5 A8 A3 E2 E1 R1 R2 R3 Question 3): Which of the relationships is necessarily redundant? (a) R1 (b) R2 (c) R3 (d) None : When we convert it into a database scheme, which of the following relations is created (a) R3(A1, A6) (b) RI(A1, A4) (c) R1(A1, A4, A6) (d) E2CA4, A5)

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