The Determining Method about the Conflict between the Null Constraints and the Set of Functional Dependencies

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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.

作者刘惟一

机构地区 YunnanUniversity

出处《Journal of Computer Science & Technology》 SCIE EI CSCD 1989年第2期116-125,共10页 计算机科学技术学报（英文版）

关键词数据库零约束泛函相关集

分类号 TP311.13 [自动化与计算机技术—计算机软件与理论]

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Journal of Computer Science & Technology

1989年第2期

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The Determining Method about the Conflict between the Null Constraints and the Set of Functional Dependencies

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