DISTRIBUTED APPLICATION SYSTEM AND DOWNLOADING METHOD

摘要

PROBLEM TO BE SOLVED: To settle a problem of redistribution of a client program module when the business processing specifications are changed or updated and also to easily secure a distributed data base environment to improve the response performance and to reduce the maintenance manhour in a distributed application system.;SOLUTION: A local data access program module 45 and a local data source 41 of a business logic layer 20 are packaged together via a network 60 as a downloadable data base component 40. Then the component 40 is downloaded at the client side in response to the request of a Web browser 31. A client program 35 is also downloaded from the layer 20. The processes are prepared to access a local data source 51 of a client and to access a main data source 15 of a data service layer 10, respectively.;COPYRIGHT: (C)2000,JPO