首页> 外文会议>International Conference on Computational Science and Its Applications(ICCSA 2004) pt.4; 20040514-20040517; Assisi; IT >Storing Together the Structural Information of XML Documents in Relational Databases
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Storing Together the Structural Information of XML Documents in Relational Databases

机译:在关系数据库中将XML文档的结构信息存储在一起

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摘要

There is a structural discrepancy between XML documents and relational databases. Hence, special data structures are required in order to represent the hierarchical structure of XML documents in storing the XML documents in relational databases. The structural information is required in querying XML documents and publishing the stored relational data in XML documents. In this paper, we propose a method for storing XML documents in relational databases, in which the structural information of XML DTD as well as the XML documents is stored. The structural information of XML documents is also stored. The XML DTD is restored by using the stored structural information and provided to users in creating queries against XML documents. XML documents can be also restored using the stored structural information. The XML queries written in XQuery are processed by exploiting the structural information of DTD that is represented in conjunction with the relational tables in which XML documents are stored.
机译:XML文档和关系数据库之间存在结构上的差异。因此,在将XML文档存储在关系数据库中时,需要特殊的数据结构来表示XML文档的层次结构。在查询XML文档以及将存储的关系数据发布到XML文档中时,需要结构信息。本文提出了一种在关系数据库中存储XML文档的方法,该方法既存储XML DTD的结构信息,又存储XML文档。 XML文档的结构信息也被存储。通过使用存储的结构信息来还原XML DTD,并在创建针对XML文档的查询时将其提供给用户。也可以使用存储的结构信息来还原XML文档。通过利用DTD的结构信息来处理XQuery中编写的XML查询,该DTD的结构信息与存储XML文档的关系表一起表示。

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