XML和关系数据:走向通用模型和代数

9th International Database Engineering & Application Symposium (IDEAS'05) Pub Date : 2005-07-25 DOI:10.1109/IDEAS.2005.55

Matteo Magnani, D. Montesi

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引用次数: 8

摘要

在本文中，我们提出了一个管理关系、XML和混合数据的模型。操作XML的主要高级方法，即SQL/XML、XQuery和对象/关系XML列，都可以基于我们的通用模型和代数。我们的查询代数非常简单，可以表示其他建议和当前TAX实现无法表示的查询。此外，我们证明了类关系逻辑查询重写可以扩展到我们的代数表达式。

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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XML and relational data: towards a common model and algebra

In this paper we present a model for the management of relational, XML, and mixed data. The main high-level approaches to manipulate XML, i.e., SQL/XML, XQuery, and object/relational XML columns, can all be based on our common model and algebra. Our query algebra, yet very simple, can represent queries not expressible by other proposals and by the current implementation of TAX. Moreover, we show that relational-like logical query rewriting can be extended to our algebraic expressions.

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9th International Database Engineering & Application Symposium (IDEAS'05)

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