| 改进E／R模型及其应用 |
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| 引用本文： | 杨光志,罗榜圣. 改进E／R模型及其应用[J]. 陕西理工学院学报(自然科学版), 1994, 0(2) |
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| 作者姓名： | 杨光志 罗榜圣 |
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| 作者单位： | 陕西工学院电子及电气工程系 |
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| 摘 要： | 本文针对传统Ｅ／Ｒ模型中实体、特征及联系的定义缺乏唯一性的缺陷，提出了一种改进Ｅ／Ｒ模型（方法），并给出了一个用改进Ｅ／Ｒ模型描述的生产数据模型。
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| 关 键 词： | 改进；实体；联系；模型 |
Improvement of E/R Model and its Application |
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| Yang Guangzhi. Improvement of E/R Model and its Application[J]. Journal of Shananxi University of Technology(Natural Science Edition), 1994, 0(2) |
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| Authors: | Yang Guangzhi |
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| Affiliation: | Yang Guangzhi (Dept. of E. E. of Shaanxi Institute of Technology)Luo Bangsheng (Dept. of M. E. of Shaanxi Institute of Technology) |
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| Abstract: | To fill the vacancy of the less unification in definiting the attributes and relationshby using the traditional E/R model, an improved E/R. model was proposed in this paper. A production data model described by using the improved model was presented sa an example in the application. |
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| Keywords: | Improvement Entity Relation Model |
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