DISTRIBUTED DATABASE SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a distributed database system in which sufficient response is secured while evading the contention of data updating. SOLUTION: A master site 12 updates a master database 14 according to an updating request. When receiving the updated result of the master database 14 from the master site 12, a replication site 15 updates a replication database 17 according to the updated result.