Research of Heterogeneous Database Integration Platform Based on Virtual View
Yang Dan · Computer Technology and Development · 2009
With the promotion of information development,enterprises have developed their own information management system based on their requirements.In order to share data among the heterogeneous databases,gives a system architecture of heterogeneous database platform based on virtual view.Each component is described in detail.The designs of mapping between data object model and XML is presented.The definition of virtual view and SQL statement parser are discussed mainly.The platform adopts the standard SQL as the query language to reduce the usage difficulty.The cache mechanism based on XML improves the response efficiency,implements the optimization of query.