汽车发动机CAD数据库系统的面向对象信息建模

Application of OODM Modeling Methods in Engine CAD Database System

文中结合汽车发动机CAD系统的数据库开发,介绍了面向对象数据模型的建模方法,以及将面向对象数据模型映射到关系型数据模型的方法和应用。

This Paper Introduces the modeling methods of object-oriented data model, and the methods of transforming an object-oriented data model to a relational data model, which combines with the development of an Engine CAD Database System.