CDM（Conceptual Data Model） 概念数据模型是一个高阶层的数据模型，它定义了企业级的主题域、层面、主要的实体及实体间的业务关系。 在开始设计LDM之前，首先需要设计出CDM。CDM定义了重要的业务概念和彼此的关系，如客 ...

In 2016, when Microsoft announced its makeover of its CRM and ERP strategy in the form of Dynamics 365, officials started talking up the Common Data Model (CDM), which was the heart of those services.