Suppose that Group and Member are two java objects. Each Member occurs only once in a Group, a Group has zero or more Members. The attributes of these two objects are almost the same. A Member, however, inherits its values from the Group that it belongs to. But the values of the member can be overwritten as well.Suppose that Group and Member are two java obje
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在数据库中表示/设计组和成员的最佳方式是什么
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