| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technology for properly controlling access to a database. <P>SOLUTION: A communication control device comprises a first database 50 and a second database 60 where identifiers of the data stored in a database server are made to correspond to the information on permission/rejection of access to the data, which are stored; a retrieving circuit 30 for retrieving an identifier of the data contained in the communication data for accessing the data in the database server in the first database 50; and a process performing circuit 40 which judges permission/rejection of access to the data based on the retrieving result of the retrieving circuit 30. The communication control device comprises, as the first database 50 and the second database 60, a plurality of databases for controlling access to a plurality of different databases, and further comprises a switch part 180 which makes the communication control device realize access control to the plurality of different databases by switching databases. <P>COPYRIGHT: (C)2009,JPO&INPIT |
