首页 | 本学科首页   官方微博 | 高级检索  
     

The Determining Method about the Conflict between the Null Constraints and the Set of Functional Dependencies
引用本文:刘惟一. The Determining Method about the Conflict between the Null Constraints and the Set of Functional Dependencies[J]. 计算机科学技术学报, 1989, 4(2): 116-125. DOI: 10.1007/BF02943359
作者姓名:刘惟一
摘    要:In this paper the conflict between the null constraints and the set of functional dependencies is defined.Some rules for determining the conflicts and a method for processing the conflicts are obtained.

关 键 词:数据库 零约束 泛函相关集

The determining method about the conflict between the null constraints and the set of functional dependencies
Weiyi Liu. The determining method about the conflict between the null constraints and the set of functional dependencies[J]. Journal of Computer Science and Technology, 1989, 4(2): 116-125. DOI: 10.1007/BF02943359
Authors:Weiyi Liu
Affiliation:YunnanUniversity
Abstract:In this paper the conflict between the null constraints and the set of functional dependencies is defined.Some rules for determining the conflicts and a method for processing the conflicts are obtained.
Keywords:
本文献已被 维普 SpringerLink 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号