Determining All Candidate Keys Based on Karnaugh Map

机译：基于卡诺图确定所有候选键

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摘要

Determining all candidate keys is important step in designing relational database. Familiar algorithms are generally time-consuming and are not easy to get complete result. In this paper we transform the problem into counterpart one in logic algebra and solve it effectively and fully by using Karnaugh map. Q-M method can replace Karnaugh map effectively in the case of greater number of attributes.

机译：确定所有候选键是设计关系数据库中的重要步骤。熟悉的算法通常很耗时，而且很难获得完整的结果。在本文中，我们将问题转化为逻辑代数中的对应问题，并使用Karnaugh映射有效而充分地解决了该问题。在属性数量较多的情况下，Q-M方法可以有效地替换卡诺图。

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《International Conference on Information Management, Innovation Management and Industrial Engineering;ICIII 2009》|2009年|226-229|共4页
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Zhang Yi-Shun;
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关键词
Karnaugh map; candidate key; prime implicate; relational database;

机译：卡诺图;候选键;隐含素;关系数据库;

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8. Geometry of the Karnaugh Map [R] . Low, R. J. 1987

机译：卡诺图的几何图形

Determining All Candidate Keys Based on Karnaugh Map

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