COMMODITY SPECIFICATION PRICE INFORMATION STORAGE DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a commodity specification price information device which is fast in retrieval speed by reducing data capacity and which can easily be changed in option. SOLUTION: This commodity specification price information storage device stores relation data on commodities having >=2 type codes K and >=2 options placed on commodity of a specific type code K1. In this case, (a) attribute data on the option OP which can be placed on the specific type code K1 are provided by commodities between type code data and option data and (b) the option data are given the addresses of restriction relation data of other options and other option data having restriction relation.