1.

Let M and N be two entities in an E-R diagram with simple single valued attributes. R1 and R2 are two relationships between M and N, whereasR1 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» E.


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