异构数据库中的数据类型转换

Data Types' Conversion at Heterogeneous Database Systems

简要介绍了异构数据库系统的基本概念以及对异构数据库数据类型转换的需求分析;重点介绍了异构数据库数据类型转换所面临的主要技术问题及解决方案;并介绍了XML在异构数据库系统中的应用;最后,简要介绍了异构数据库系统的应用领域及展望。

This paper briefly explains the concept of heterogeneous database systems and the requirement analyses of the data types ＇conversion at the heterogeneous database systems, it accounts for the central technology and the solutions of the developing heterogeneous database systems. In addition to, it introduces the XML＇ s application at the heterogeneous database systems. In the end, it briefly introduces the application domains and foreground of ：heterogeneous database systems.