Then use the database modeling tools called Power Designer to establish the conceptual data model and complete the design of the structure of business data.
利用Power Designer数据库建模工具建立概念数据模型,进而完成对业务数据结构的设计。
Describes how to derive a conceptual model from an existing database.
介绍如何从现有数据库派生概念模型.
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