| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a data management system for comparing pieces of transaction data at a past point of time and at a present point of time. <P>SOLUTION: A data management system is constituted so as to include: transaction data storage means in which transaction data including management item data on a transaction date, a transaction amount and its transaction point of time is accumulated; management item data storage means in which every latest management item data is stored; transaction data retrieval means for extracting corresponding transaction data from the transaction data storage means by data for retrieval set by a user, and extracting management item data relevant to the extracted transaction data; retrieval data storage processing means for creating storage data including the extracted transaction data and the extracted management item data, storing the storage data in a storage table by associating the storage data with a storage data identifier, and storing the storage table in storage table storage means by associating the storage table with a storage table identifier; and storage table retrieval means for retrieving the storage data stored in the storage table storage means by the storage table identifier and the storage data identifier. <P>COPYRIGHT: (C)2013,JPO&INPIT |
