基于XML的异构数据库系统的研究

Research of heterogeneous database based on XML

提出了利用XML解决异构数据库信息共享和透明访问的方案。介绍了数据库的异构性,XML的技术特点。通过基于XML的信息建模,以及XML文档和数据库模式之间的模板映射,实现了异构数据库之间的透明访问。提出了XML数据仓库的模型,结合XML和数据仓库的优势,实现了异构数据源的信息共享和决策支持。

Bringing the method which uses the XML to improve information sharing and transparently accessing of heterogeneous database. Introducing the heterogeneous of database and the technical characteristic of XML. Through information modeling which based XML, and moulding board reflecting between XML text and database mode, it achieves the transparently accessing of heterogeneous database. Bringing the model of data warehouse, and combining the advantage of XML and date warehouse to achieve the information sharing and decision sustaining of heterogeneous data.