摘要
针对关系模型不能很好表达同类实体之间的联系问题,本文提出了一种基于关系模型理论基础上的通用属性表达法,并给出了相应的实际应用例子。
To solve the problem of explaining links between entities of same type using relational model, this paper presents a method using general attributes interpreting links between entities of same type based on theories of relational model, and provides related instance of reality application.
出处
《计算机与现代化》
2008年第8期125-126,129,共3页
Computer and Modernization
关键词
通用属性
实体
关系模型
general attribute
entity
relational model