管理信息系统的数据完整性约束及其实现方法

Restriction and Implementation of Data Integrity on Management Information System

介绍了数据完整性的概念、类型以及管理信息系统实现数据完整性的几种方法。对这几种方法进行了比较，并以远程教学管理系统为实例给予说明。

The paper discussed the concept of Data Integrity,with the example of the Remote Teaching Management System developed by the author,sevcral approaches to restrict the data integrity of a Management Information System were also discussed and compared with each other.