CIMS信息集成的最佳选择-产品数据管理

STUDY AND IMPLEMENTATION OF DATABASE AUTHORIZATION SYSTEM

本文首先阐述了当前ＣＩＭＳ信息集成中采用的最新技术－产品数据管理（ＰＤＭ），然后介绍了为工程、设计和制造提供产品信息集成环境的ＩＭＡＮ系统。

This paper first analyses the authorization requirement of management information system (MIS) on relational database,with the help of the concepts of OODM, analyses and research the mothods of menus calling which have been used extensively at present.Put forward the concepts of authorization menu tree (AMT) on analyseing to the internal meaning of menu.Introduce the basic conceps of authorization combine menu objects with view objects in database authorization.