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基于XML的异种数据库间数据交换技术
引用本文:夏秀峰,张悦,周大海. 基于XML的异种数据库间数据交换技术[J]. 微处理机, 2005, 26(5): 31-35
作者姓名:夏秀峰  张悦  周大海
作者单位:沈阳航空工业学院计算机学院,沈阳,110034
摘    要:传统方法对异种数据库之间数据交换的处理存在数据格式不规范、重用率低等缺点,因而很难适应数据变化快、数据量大及结构复杂的数据环境.XML在数据格式及内容的表达方面具有较为明显的优势,常用于异种数据库间的信息共享和数据交换.本文在比较异种数据库间各种数据交换方式的基础上,分析了XML与DOM及Java技术相结合进行数据库间数据交换的优势;对XML文档与数据库结构进行双向转化过程中的不同情况进行了分类,提出了一种数据抽取与数据存储的通用方法,结合具体实例详细描述了该方法的实现.

关 键 词:XML文档  异种数据库  数据交换  DOM技术
文章编号:1002-2279(2005)05-0031-05
收稿时间:2003-08-15
修稿时间:2003-08-15

Study of Data Exchange Technology between Different Structure Databases Based on XML
XIA Xiu-feng,ZHANG Yue,ZHOU Da-hai. Study of Data Exchange Technology between Different Structure Databases Based on XML[J]. Microprocessors, 2005, 26(5): 31-35
Authors:XIA Xiu-feng  ZHANG Yue  ZHOU Da-hai
Affiliation:School of Computer Science and Engineering, Shenyang Institute of Aeronautical Engineering, Shenyang 110034, China
Abstract:The traditional methods of dealing with data exchange between different structure databases have some disadvantages, such as data format anomaly, low reuse rate etc. So they are difficult to be adapted to the data environment with high data update frequency, large data volume and complex data structure. Because XML has many obvious advantages in the expression of data format and content,it is often used for information sharing and data exchange. After comparing these different kinds of data exchange methods, this paper analyzes the advantage of the method which combining XML, DOM and Java technology to do data exchange between databases, classifies various conditions in the process of bi - directional transform between XML document and database, and proposes a general method of data extraction and store, whose implementation is depicted with concrete examples.
Keywords:AXML   Different structure database    Data exchange    DOM
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