DISTRIBUTED DATA STORAGE DEVICE, DATA CONSTITUTION MANAGEMENT SERVER THEREFOR, CLIENT TERMINAL, AND JOB CONSIGNMENT SYSTEM COMPRISING DISTRIBUTED DATA STORAGE DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a distributed data storage device and job consignment system in which maintenance is facilitated and security against unauthorized access is improved.

SOLUTION: A distributed data storage device 3 comprises a data storage server group 30 for storing substance data A of a relational database while separating the data for each attribute, and a data constitution management server 32 which is connected with the data storage server group 30 via a communication line 31 while being physically separated from the data storage server group 30, and includes a data management function 33 for managing the substance data A and a table management function 34 for managing a table 38 comprised of storage place information 36 of the substance data A.

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