【摘要】 介绍了虚拟数据库产生的背景，着重分析虚拟数据库技术的体系结构，包括数据集成系统和数据发布系统，并结合运用虚拟数据库技术的实例，阐明了此技术的发展前景。更多还原

【Abstract】 This paper We introduces the background of virtual database technology, especially in the technology architecture of virtual database, including the data integration system and the data publishing system. Based on an example of virtual database technology application, it describes a bright Prospect of this technology.更多还原