| 依赖推导算法的研究 |
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| 引用本文： | 任家东,郝忠孝.依赖推导算法的研究[J].齐齐哈尔大学学报(自然科学版),1998,14(4):6-10. |
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| 作者姓名： | 任家东 郝忠孝 |
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| 作者单位： | [1]燕山大学计算机系 [2]哈尔滨工业大学 |
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| 摘 要： | 本文根据函数依赖成立的条件，给出了在关系ｒ中单属性左部属性集的求解算法，进而出了在给定关系中成立的函数依赖集的一个覆盖。
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| 关 键 词： | 关系模式 关系数据库 函数依赖 依赖推导算法 |
The Research of Algorithm for Dependency Inference |
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| Ren Jiadong, Hao Zhongkiao.The Research of Algorithm for Dependency Inference[J].Journal of Qiqihar University(Natural Science Edition),1998,14(4):6-10. |
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| Authors: | Ren Jiadong Hao Zhongkiao |
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| Institution: | Ren Jiadong; Hao Zhongkiao(Yanshan University) (Harbin Institute of Technology) |
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| Abstract: | This paper presents the solving algorithm of left attributes set of single attribute in relation r according to condition of functional dependency holding, and obtains acover of the set of functional dependencies holding in a given relation further. |
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| Keywords: | Relation schema Functional dependency Dependency inferenceAlgorithm |
| 本文献已被 CNKI 维普 等数据库收录！ |
