DATA BASE RETRIEVAL SYSTEM

摘要

PURPOSE:To speedily and efficiently retrieve data by providing a retrieval collation means which retrieves a terminal file means when there is a retrieval request and which causes a data base center to execute retrieval when data to be supplied is not stored. CONSTITUTION:A retrieval terminal part 15 is provided with the terminal file means 19 storing data supplied to a user and the retrieval collation means 16 which retrieves the terminal file means 19 when there is the retrieval request and which causes the data base center part 11 to execute retrieval when data to be supplied is not stored. When there is the retrieval request, the terminal file means 19 is retrieved, and data to be supplied is supplied to the user when there is data. When there is no data, the data base center part 11 is caused to execute retrieval. Thus, data can speedily and efficiently be retrieved.