An heterogeneous database synchronization update base on web services

This paper analyzes the problem of heterogeneous database and synchronization mechanism in enterprise data integration, provides a heterogeneous database integrated approach, then link up to a database center by web service, It provides a transparent unified interface. Users can not only query the database of the center, but also add, delete, update operation, and synchronize to the source database, at the same time, the source database client data and structure changes can be synchronized to the central database. Finally, the key technology and an example is given to show that how the framework is used in practical application.