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首页> 外文会议>International Conference on ITS(Intelligent Transport Systems Standardization) Telecommunications Proceedings(ITST2006); 20060621-23; Chengdu(CN) >A Data Mediator for Storing and Querying XML Data in RDBMS using efficient schema-oblivious Mapping Strategies
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A Data Mediator for Storing and Querying XML Data in RDBMS using efficient schema-oblivious Mapping Strategies

机译：使用高效模式可忽略的映射策略在RDBMS中存储和查询XML数据的数据介体

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摘要

XML and Relational Data can not be kept separately because XML is becoming the universal standard data format for the representation and exchanging the information where as the most of the existing data lies in RDBMS and their power of data management capabilities can not be degraded. The existing database systems do not provide the uniform support for both XML and Relational Data with similar storage and retrieval efficiencies.In this paper a generic data mediator that provides the uniform support for both XML and relational data with similar storage and retrieval efficiencies is produced; by using existing efficient schema-oblivious mapping strategies Xnode and SUXCENT and free of cost available technologies: MySQL, PHPMyAdmin and PHP classes.This mediator can be used as an affordable and quick solution until the existing database systems provide an efficient solution for the problem. The key to mediator approach is storing and retrieving XML documents in a relational database, providing a user interface for XML manipulation, independent of proprietorship and without doing any modification in its basic structure.After the implementation of the mediator, the RDBMS becomes repository for both XML and Relational data simultaneously. The mediator has flexibility to add any proposed more efficient schema-oblivious XML mapping strategy as a new collection. The mediator can also be used as the benchmarking tool for the researchers to compare various schema-oblivious XML mapping strategies after adding them as a new collection. The comparative studies of insertion, retrieval and query performance of these two types of mapping strategies are produced as well.
机译：XML和关系数据不能分开保存，因为XML正在成为表示和交换信息的通用标准数据格式，因为现有数据大多数都位于RDBMS中，并且它们的数据管理功能不会降低。现有的数据库系统不提供对具有相似存储和检索效率的XML和关系数据的统一支持。在本文中，产生了一个通用数据介体，它为具有相似的存储和检索效率的XML和关系数据提供了统一的支持。通过使用现有的高效模式可忽略的映射策略Xnode和SUXCENT，以及免费的可用技术：MySQL，PHPMyAdmin和PHP类。此中介器可以用作负担得起的快速解决方案，直到现有的数据库系统为该问题提供有效的解决方案为止。中介者方法的关键是在关系数据库中存储和检索XML文档，为XML操作提供一个用户界面，而与所有权无关，并且无需对其基本结构进行任何修改。在实现中介者之后，RDBMS成为这两个数据库的存储库XML和关系数据同时进行。中介者可以灵活地将任何提议的更有效的模式无关的XML映射策略添加为新集合。中介者还可以用作基准测试工具，供研究人员在将它们添加为新集合后比较各种模式无关的XML映射策略。还对这两种映射策略的插入，检索和查询性能进行了比较研究。

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