| 摘要 |
PROBLEM TO BE SOLVED: To provide a plurarity of multiple processors which are connected by a network and efficiently process various operations, and to provide a storage medium where a program for the processing method is recorded. SOLUTION: The respective devices 13 (13-1 to 13-5) connected by the network are equipped with databases which are common to all lines and databases which are common to the same production line. When one of the devices 13 needs to update data, a lock of the database is reported and the databases of all the devices are locked to all the device other than the device reporting the lock. The device reporting the lock after inhibiting a record having the data to be updated from being operated by other devices by setting a lock flag for the record unlock the database, updates the data of the record for which the flag is set, locks the databases of all the devices, reset the lock flag of the update object record, unlocks the databases, and finish the processing. |
