METHOD OF INTERPOLATING DATA OF DATABASE, DATABASE DEVICE, SYSTEM AND METHOD FOR RETRIEVING INTERPOLATION DATA

摘要

PROBLEM TO BE SOLVED: To shorten the processing time in an interpolation data retrieval system.;SOLUTION: A procedure in which an adjacent code is extracted with respect to a retrieval value designated while being made to correspond to the n-th key field, a procedure in which weighted data are calculated, and the procedure of a prepared single enquiry sentence are carried out after preparing a single enquiry sentence for performing a procedure in which integration results are integrated to integration results obtained with respect to the (n-1)-th key field.;COPYRIGHT: (C)2002,JPO