| 摘要 |
PURPOSE:To realize correction and addition through one kind of reference by updating a unique number exclusively by only a system having received the adding request of data excepting in the case that update is requested from the other system, and adding the unique number when the individual data is stored in a storage device. CONSTITUTION:The update of the unique number held in the holding part 1-5,2-5 of each system is made to be executed exclusively by only the system having received the adding request of the data, and simultaneously, the other system too is connected with it so that the similar update is executed at the time of this update. At the time of the addition of the data, the system having received the adding request writes the unique number in the storage device 1-3, 2-3 of its own system together with the additional data, and the other system receives this written unique number, and writes it in the storage device 1-3, 2-3 of its own system together with the additional data. Thus, the correction and the addition can be executed by one kind of the reference, and in addition, the correction or the addition, etc., of the data can be executed surely and correctly. |
