| 属性闭包在关系数据理论中的应用 |
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| 引用本文： | 钟文峰,晏志英.属性闭包在关系数据理论中的应用[J].科技广场,2007(3):255-256. |
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| 作者姓名： | 钟文峰 晏志英 |
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| 作者单位： | 1. 南昌理工学院计算机系,南昌,330044
2. 南昌理工学院传媒系,南昌,330044 |
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| 摘 要： | 关系数据理论是数据库设计中的重要理论基础,是《数据库原理》课程的重点章节,属性闭包在关系数据理论中占着重要地位。如何组织该章节的内容,在讲课过程中显得相当重要。本文介绍了闭包的含义、计算方法以及如何利用属性闭包确定候选键、确定关系模式的最高范式。
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| 关 键 词： | 闭包 候选键 函数依赖 范式 |
| 文章编号： | 1671-4792-（2007）3-0046-02 |
Application of Arrtibute Closure in the Theory of Relation Data |
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| Zhong Wenfeng,Yan Zhiying.Application of Arrtibute Closure in the Theory of Relation Data[J].Science Mosaic,2007(3):255-256. |
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| Authors: | Zhong Wenfeng Yan Zhiying |
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| Abstract: | The relational data theory is in the database designimportant rationale, is "Database Principle" the curriculum keychapter, the attribute shuts wraps in the relational data theory tooccupy the important status. Organizes how to this chapter content,will appear in the teaching process quite importantly. This articleintroduced shuts the package the meaning, the computational method aswell as shuts the package of determination candidate key, thedetermination relations pattern highest model using the attribute. |
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| Keywords: | Shuts the package Candidate key Function dependence Model |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
