Data management apparatus, storage medium having stored therein data management program, storage medium having stored therein usage certificate data, and method of using data

摘要

To provide a data management apparatus which can use data advantageously in terms of data capacity. ;A database server 100 performs a registration process and a providing process. When a data registration request is received from a seller 200, the registration process registers audio data included in the received data registration request in association with data name information 121, password information 122, and the like. At the same time, the registration process transmits usage certificate data that includes the information 121 and 122 to a user. When a data usage request is received from a portable terminal 300, and when a password of a record in which the same data name as that included in the received data usage request is registered matches a password included in the received data usage request, the providing process transmits audio data specified by the data name included in the received data usage request to the portable terminal 300.