基于RDBMS的XML数据管理技术研究

XML是一种专门为Internet所设计的标记语言,但是它已逐渐成为Internet上数据表示以及数据交换的标准,是一种发展势头良好的新兴数据管理手段.关系数据库管理系统(RDBMS)是一种技术成熟、应用十分广泛的系统.在数据管理上,XML技术和数据库技术各有优势和不足,XML和数据库结合技术成为学术界的研究热点.在对XML和数据库结合技术进行了研究的基础上一个基于RDBMS的XML数据管理的实现框架(XRM)被提出,该框架依据不同的映射策略,解析Schema文件或DTD,生成对应的关系模式,利用RDBMS存储中间件,使用户能透明地通过RDBMS来管理XML数据.该框架充分考虑了结构的灵活性和扩展性.

Research on technology of XML data management based on RDBMS

Although XML (extensible markup language) is a special markup language for internet, it has become the standard for data representation and exchange on internet, it is a new way with good future to manage data. The relational database management system (RDBMS) has been developed as a mature and widely used technology. Comparatively, they both have advantages and disadvantages on data management. Combing XML and database to manage data has been become a hot spot for database researchers, based on the research of the technology which combing XML and database, a implemened framework of XML data management is proposed, with utilizing some special mapping methods, parsing the schema files or DTD, and then producing the corresponding relational schemas to store and manage XML data in a RDBMS. Users can manage XML data by XML operations without awaring of anything about the RDBMS. This framework is easy to be extended in the future because of its flexible structure.