【摘要】 文章提出了面向对象数据库中对安全性进行建模的一种方法．该方法以多级数据模型为基础，定义了若干种安全性约束，同时引入了一种图示方法，能够对应用安全性模型进行直观地表示．更多还原

【Abstract】 In this paper, a method to model the security semantic in object oriented database system is presented. The method is based on multilevel data model, and defines several kinds of security constraint. A kind of diagram to illustrate application’s security model is also introduced in this paper.更多还原