Data communication system

摘要

A data communication system in which access right information is held in a server for indicating a type of accessible data corresponding to each of a plurality of client devices, one client device which has transmitted a data read request is identified from among the plurality of client devices when the server receives the data read request sent through a network line, and an access to data corresponding to the received data read request within a database in a first storage device is granted to the one client device upon determining in accordance with the access right information that the data corresponding to the received data read request is a type of data accessible from the one client device.