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。

This paper states some new characters of the database systems under the grid environment and analyzes two different database integration modes.

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在网格资源稀缺时，采用竞价模式为消费者分配资源。

If the grid resource is scarce, the bidding scheme is used to assign the grid resource for consumers.

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