摘要
介绍数据库逻辑询问语言的基本概念和询问求值的方法,并扼要介绍逻辑询问语言的研究现状和研究方向。
This paper introduces the basic concepts of logical query languages for databases and the methods on evluation of queries. The current situation and the fields of research in logical query languages are presented briefly.
出处
《广西大学学报(自然科学版)》
CAS
CSCD
1994年第2期181-186,共6页
Journal of Guangxi University(Natural Science Edition)
关键词
关系数据库
逻辑询问语言
数据库
relational databases/ deductive databases, query languages for databases
logic programming
logical query languages.