Information management dictionary, data retrieval server, database retrieval method, data duplicate method and computer product

摘要

Retrieving is conducted by employing table disclosure/non-disclosure information for managing a user who conducts a retrieving and disclosure or non-disclosure information of a table, and an information management dictionary having a disclosure condition for managing a user who conducts retrieving and each data item in the table. In addition, server information for managing information of another server is employed to conduct duplicating data or the information management dictionary.