联邦关系数据库中的查询转换

Proceedings of 7th International Conference and Workshop on Database and Expert Systems Applications: DEXA 96 Pub Date : 1996-09-09 DOI:10.1109/DEXA.1996.558599

Yangjun Chen, W. Benn

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引用次数: 2

摘要

针对联邦关系数据库系统中的查询转换问题，提出了一种语义对应和数据映射的新方法。详细描述和讨论了几种算法，即使本地数据库存在数据和模式冲突，也可以使用这些算法自动转换查询。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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On the query translation in federative relational databases

The authors address the problem of query translation in a federative relational database system, and present a new method to specify semantic correspondences and data mappings. Several algorithms are described and discussed in detail, which can be used to translate queries automatically even if the local databases have data and schema conflicts.

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Proceedings of 7th International Conference and Workshop on Database and Expert Systems Applications: DEXA 96

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