Abstract: Universal relation is a popular theory about database in recent years. Many researchs about the theory and technique of universal relation are going deeply into the domain of database gradually. In this article, an arithmetic, named Double_Dij, is brought forward which is based on the theory of universal relation. The arithmetic will solve the problem of the best link among tables.

摘要： 泛关系是近年来流行的数据库理论,基于泛关系的各种理论和技术研究正逐渐深入到数据库领域。文中以泛关系数据库理论为基础,从图论的观点出发,就泛关系数据库中的多表间的最佳连接提出一种基于泛关系的 Double_Dij 算法。

关键词: 泛关系, 最佳连接, 数据库

CLC Number: 

• TP301.6