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A Research and Implement of XML Data-Storing Model Based on Persistent DOM

Author: ZhouHaiHua
Tutor: XuQuanSheng
School: Shenyang University of Technology
Course: Computer Software and Theory
Keywords: XML Data storage XML database Persistent DOM
CLC: TP311.11
Type: Master's thesis
Year: 2005
Downloads: 214
Quote: 1
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Abstract


With the development of network technology, the Extensible Markup Language (XML) has been widely used in e-commerce, data exchange, Web publishing, manufacturing, bio-pharmaceutical, and telecommunications industries. The XML application market booming, the XML document a sharp increase in the number of increasingly important role of the XML language. More and more data and documentation XML language. This is an urgent requirement to XML data storage and management. XML data with traditional relational database to store structured data are very different, it is a semi-structured data, it is difficult to directly and effectively stored in a relational database. But after 30 years of development, relational database is already quite mature technically, has a wide range of user groups. Currently, most of the data on the world, or stored in a relational database. How combining XML technology with mature relational database technology, both to maintain the flexibility of XML, but also make full use of existing relational database technology to store XML documents is an important issue. On the basis of the study XML data storage technology, this paper designs and implements a persistent XML Document Object Model (DOM)-based data storage system. The system uses a three-tier architecture, as its logic model underlying relational database data is stored, the Document Object Model XPath language retrieval methods, persistence and mature Document Object Model COM middleware technology achieve. This system does not affect the normal use of the original database based on ordinary relational database extensions to XML data storage system to store XML documents. This system uses mapping persistent DOM tree is stored in a relational database in the form of a document-centric XML documents into relational tables, so you can make the type of document storage does not produce content distortion. Meanwhile, in order to efficiently store hybrid XML documents, in the specific design and implementation of this system, try to adopt the idea of ??separating the storage of the document structured data and semi-structured data. And according to need persistence Document Object Model and XPath language necessary expansion. Finally, this paper carried out the necessary tests to show that this design XML data storage system to store XML documents.

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