关于NF^2数据库查询语言的完备性研究  

On the Completeness of NF^2 Data Base Query Languages

作　　者：聂培尧[1] 褚东升[1] 

机构地区：[1]山东财政学院计算机信息工程系,济南250014

出　　处：《济南交通高等专科学校学报》1999年第3期41-46,共6页Journal of Jinan Communications College

摘　　要：最近，嵌套关系模型语言及复杂对象语言的研究已引起人们的广泛重视。这些语言有些是代数结构的，有些是基于演算的，还有的是面向逻辑程序设计的。本文将介绍这些语言的发展概况、最新研究结果以及语言的表达能力，并就其完备性问题进行讨论。Resently, nested relational model languages and complex objects languages have drawn widely interesting in data base research field. Some of such query languages are based on algebra,some are based on calculations,others are based on logic programming. In this paper we introduce the development of these query languages, the new researching results and its expressiveness. The completeness of the query languages are also discussed in this paper.

关 键 词：NF^2语言 完备性 评测方法 关系模型语言 复杂对象语言 数据库 

分 类 号：TP311.131[自动化与计算机技术—计算机软件与理论]