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ORXUpdater: A lightweight updater for XML views defined over Object-relational databases

机译:ORXUpdater:一个轻量级的更新程序,用于在对象关系数据库上定义的XML视图

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XML has become the de-facto standard for transferring data over the web in the past decade. However most enterprise data still reside in traditional database systems rather than XML databases. To address this, traditional database systems such as RDBs and ORDBs support publishing stored data in XML format which are coined XML Views. However, these XML views depict limited capabilities in manipulating the resultant views. To address this issue much research effort has been taken to implement middleware systems that support propagating updates over XML views to the underlying database systems. Much research has been developed in the Relational database context on translating XML view updates to corresponding database updates. However there is a scarcity in such research in the context of Object-relational databases. In this paper a lightweight updater to support propagating XML View updates to Object-relational databases is proposed. The update mechanism proposed here is entwined around a query tree model which is also presented in this text.
机译:在过去的十年中,XML已成为事实上的标准,用于通过Web传输数据。但是,大多数企业数据仍驻留在传统数据库系统中,而不是XML数据库中。为了解决这个问题,传统的数据库系统(例如RDB和ORDB)支持以XML格式发布存储的数据,这些数据被称为XML视图。但是,这些XML视图描述了操作结果视图的能力有限。为了解决这个问题,已经进行了大量的研究工作来实现中间件系统,该中间件系统支持将XML视图上的更新传播到底层数据库系统。在关系数据库上下文中,已经进行了许多有关将XML视图更新转换为相应的数据库更新的研究。但是,在对象关系数据库的背景下,这种研究缺乏。在本文中,提出了一种轻量级更新程序,以支持将XML View更新传播到对象关系数据库。此处提出的更新机制是围绕查询树模型纠缠在一起的,本文也对它进行了介绍。

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