| 历史关系模式的形式化的研究 |
| |
| 引用本文： | 贾超.历史关系模式的形式化的研究[J].燕山大学学报,1999,23(4):355-357. |
| |
| 作者姓名： | 贾超 |
| |
| 作者单位： | 燕山大学信息科学与工程学院!秦皇岛０６６００４ |
| |
| 摘 要： | 提出了一种新的历史关系数据库模型，给出了该模型满足１ＮＦ，ＴＮＦ的形式化定义，还给出了组标志及其公理、ＴＮＦ等重要概念。最后，对满足１ＮＦ，ＴＮＦ的该模型做了分析对比。
|
| 关 键 词： | 历史关系模式 形式化 组标志 TNF 数据库 |
Study on the Formal Definition of the Historical Relational Scheme |
| |
| Jia Chao.Study on the Formal Definition of the Historical Relational Scheme[J].Journal of Yanshan University,1999,23(4):355-357. |
| |
| Authors: | Jia Chao |
| |
| Abstract: | The paper introduces a new historical relational databasemodel, and gives the form4 definition of the model based on INFand TNE moreover, the paper also gives the group identifier andgroup axioms, TNF and so on. In the end, the paper analyses andcompares the model based on INF with the model based on TNF. |
| |
| Keywords: | the historical relational scheme the formal definitionof the model group identifier TNF |
| 本文献已被 CNKI 维普 等数据库收录！ |
