DATA PROCESSING DEVICE, DATA PROCESSING PROGRAM, DATABASE SYSTEM, COMMUNICATION CONTROL DEVICE, AND NETWORK SYSTEM

摘要

PROBLEM TO BE SOLVED: To enable shortening of a delay time due to interruption, when data supply from a database server stops and data acquisition is resumed when a data processing device sequentially obtains search processing results from the database server.SOLUTION: There is provided a data processing device. The data processing device includes: means for making a request to a database server for execution of search processing of a database and transmission of the predetermined number of records as one transmission unit data in the order based on a main key; means for processing supplied data; means for holding data of a main key item as final reception position information regarding a final order record of the supplied transmission unit data; and means for requesting execution of search processing for only records not supplied by the database server among the search results and execution of data transmission processing on the basis of the final reception position information after interruption of data supply.