Abstract:

According to the information sharing problem brought by the heterogeneous data sources in the current enterprises, this paper describes three factors   that lead to heterogeneous data sources,which are heterogeneous system architecture, heterogeneous data model and heterogeneous sources; demonstrates th e purpose and significance of data sources integration; discusses some normal integration ways such as data warehouse integration, middleware integratio n and XML data model integration. In addition, it also describes the specific steps and contents for data sources integration in the above three ways th  at have been applied to the specific system development

Key words: heterogeneous, integration, data warehousing, middleware, XML