| 摘要 |
PROBLEM TO BE SOLVED: To delete a transaction from a POS(point-of-sale) terminal except for a POS terminal transacting business. SOLUTION: This POS system is provided with a store server and a plurality of POS terminals. Each POS terminal has a means transmitting transaction data made by the own terminal to the store server, a means referring transaction data made in another POS terminal to the store server, a means commanding the deletion of the transaction made in another POS terminal to the store server, and a means executing the deletion command of the own transaction to be transmitted from the store server. The store server is provided with a means transmitting the deletion command of the transaction transmitted from the POS terminal except for the POS terminal making the transaction to the POS terminal making the transaction. |
