本文讲述了数据库技术在CAD设计系统开发中的作用。基于Pro/E系统,应用面向对象的编程语言,结合数据库的ADO技术,开发交流接触器的智能CAD设计系统,实现对数据的提取、存储和计算功能。 关键词:数据库;ADO;VC++; Pro/E Abstractor: In this article, the function of database technology in the system of CAD is expounded. Based on the Pro/E system, combining the ADO technology of database, this article applies the object oriented program to exploit the intelligent CAD design system of AC contactor, which actualizes the require, save and calculation function of the date. Key words: database; ADO;VC++; Pro/E