| 强主属性与拓扑序结构 |
| |
| 引用本文： | 周定康.强主属性与拓扑序结构[J].江西师范大学学报(自然科学版),1992,16(4):303-309. |
| |
| 作者姓名： | 周定康 |
| |
| 作者单位： | 江西师范大学计算机系 |
| |
| 摘 要： | 本文定义了强主属性概念,讨论了属性子集拓扑序结构问题,导出了求解全部候选关键字的新算法.
|
| 关 键 词： | 数据库 强主属性 拓扑序结构 |
The Algorithm for Solving All Candidate Keys of Relation Schema Based on Topological Squence Structure |
| |
| Zhou Dingkang.The Algorithm for Solving All Candidate Keys of Relation Schema Based on Topological Squence Structure[J].Journal of Jiangxi Normal University (Natural Sciences Edition),1992,16(4):303-309. |
| |
| Authors: | Zhou Dingkang |
| |
| Institution: | Dept.of Computer Science |
| |
| Abstract: | In this paper,we difined the conception of strong primary attribute and discussed the topological sequence structure of the attribute subset.A new algorithm for solving all candidate keys of relation schema is found. |
| |
| Keywords: | database relation schema candidate keys function dependencies strong primary attributes topological sequence structure |
| 本文献已被 CNKI 维普 等数据库收录！ |
