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Consider the following E/R diagram with two isa hierarchy. Suppose we follow an object-oriented approach and convert the diagram into classes. Suppose at some point

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Consider the following E/R diagram with two isa hierarchy. Suppose we follow an object-oriented approach and convert the diagram into classes. Suppose at some point in time, there are n objects in class E2,m objects in E3, and k objects in E1. What can we then conclude about the value of k ? k=max(m,n) k could be m or n or any value in between km+n We can't conclude the value k

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