In the conceptual data model an instantiation of a particular business entity is described as:在概念数据模型中特定的业务实体将被描述为::()?
(A)Record记录
(B)Dataset数据集
(C)Rule规划
(D)Row行
(E)Entity occurrence实体实例化 答案解析: 直接考书中的概念,请,原文如下:
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