DATA SYNCHRONIZATION METHOD, COMPUTER READABLE RECORDING MEDIUM HAVING STORED THEREIN DATA SYNCHRONIZATION PROGRAM, AND DATA SYNCHRONIZATION CONTROL DEVICE

摘要

Disclosed is a data synchronization method which includes acquiring first update data for an update process performed on a first database, converting the first update data into second update data according to a format of a second database based on a previously set conversion definition information, deciding a lock range based on the first update data and the pre-update data that has not been subjected to the update process, locking the first and second databases based on the decided lock range, and updating the first and second databases using the first and second update data, respectively.