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You Are Given an E-R Diagram with Two Entities,ORDER and CUSTOMER,as

Question 49

Multiple Choice

You are given an E-R diagram with two entities,ORDER and CUSTOMER,as shown above,and are asked to draw the relationship between them.If a given customer can place many orders and a given order can be placed by at most one customer,which of the following should be indicated in the relationship symbol between the two entities?


A) N:M
B) 1:1
C) 1:N
D) N:1

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