DATABASE MANAGEMENT SERVER, DATABASE SERVER MANAGEMENT SYSTEM HAVING THE SAME, AND DATABASE MANAGEMENT PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a database management server without requiring data migration when adding a database server or when adding data storage capacity, and without requiring total retrieval when retrieving data, and to provide a database server management system having the database management server and a database management program.SOLUTION: A database server management system 1 comprises: a DB server group 3 for storing data; a recording server group 5 for recording the data in the DB server group 3; a retrieval server group 7 for retrieving the recording data recorded in the DB server group 3; and an assignment management server 9 comprising an assignment server information management section 9a and an assignment server information change section 9b.