Distributed database management and method for distributed database management system

摘要

To provide a database system of non-sharing that can efficiently perform data manipulation for distributed database. Distributed database management system, comprising: a storage unit of the plurality of query receiving unit which receives a query and (load balancer), is performed in cooperation data manipulation for distributed database based on the query received the. Each of the storage unit of the plurality of query-based storage system that stores one of the parts in multiple databases that make up a distributed database, for the portion database stored in the storage device I includes a data operation unit that performs data manipulations.