Patent ID: 7206792

Claim:
A data management apparatus comprising: reproducing means for reproducing contents data from a portable first recording medium; recording and reproducing means for recording or reproducing a second recording medium having a capacity larger than that of said first recording medium; database generating means for generating a database for storing an identification information and supplementary information corresponding to contents data stored in said first recording medium, in association with contents data reproduced from said first recording medium by said reproducing means, said contents data being recorded on said second recording medium by said recording and reproducing means; communication means for communicating with an external server holding the supplementary information in association with said contents data reproduced from said first recording medium; and controlling means for controlling: storing of said identification information read from said first recording medium to said database when said first recording medium is loaded in said reproducing means, transmitting said identification information stored in said database through said communication means to said external server, receiving from the external server the supplementary information corresponding to said contents data reproduced from said first recording medium, and updating said database by storing the received supplementary information in association with said identification information; wherein said database is generated when said contents data stored in said first recording medium is recorded in said second recording medium, and is updated when said supplementary information is received from said external server.