| 摘要 |
PURPOSE:To facilitate the management of transaction data. CONSTITUTION:A file controller 20 is provided with current use rate calculating means (21 and 22), a current use rate storage means (23R), current use rate display control means (21 and 22), and current use rate transmission control means (21 and 22); each time the file controller 20 receives transaction data Dt from respective terminal machines 10A-10N, the current use rate R to the total storage capacity Qf of a transaction data file 32T is calculated and displayed on a display unit 26, and the current use rate R can be transmitted to a store controller 30 when there is request command. |
