Abstract: This paper states some new characters of the database systems under the grid environment and analyzes two different database integration modes. It also describes a unified database system’s access framework in the data grid project of the chinese academy of Science and gives the details about how it works.

Key words: Grid, Database system, Integration modes

摘要： 分析了在网格情况下数据库系统所面临的新情况，着重分析了单点访问源和多点访问源两种主要的数据库访问模式。阐述了中科院数据网格项目中数据库统一访问的体系结构，及其主要部件的功能实现。最后对项目经验进行了总结。

关键词: 网格, 数据库系统, 整合模式

CLC Number: 

• TP331