Database management system, database management method, database registration request program and database management program

摘要

PPROBLEM TO BE SOLVED: To perform version management of a database content properly and efficiently, realizing retention of consistency of the database in a relatively loose operation. PSOLUTION: An application server 100 includes a time information giving section 203 for giving date and time to the content for registration, and a transfer section 205 for transmitting the content for registration to a database server 110. The database server 110 includes a receiving section 301 for receiving the content for registration from the application server 100; a version update section 302 for updating the version of the content based on the date and time, when a content having the same search key as the received content for registration and having a new version is existent among the contents having been registered in the content database 120; and a registration section 303 for registering into the content database 120 the content for registration of which version is updated. PCOPYRIGHT: (C)2005,JPO&NCIPI