This paper summarizes the problem faced in integrating various database, and dynamic and static integration way, analyses their characteristic, referes new integration way. introduces distribute database and multi-agent technology, and researches possibility and key technology on combine of two technology. Then the paper analyse requirement about integrating database in gas extraction and transportation department. Designing distribute database based on the same data structure and different production according to the way from bottom to top, and definng data dictionary. Designing multi-agent architecture, and these Agentes interaction message each other. Common DIAgent which containes communication module that make DIAgent interaction with other DIAgent in network environment , is designed inheriting CIAgent package, and specialism DIAgent with core program code. Finally, esignes global application on the base of gobal schema. |