| 摘要 |
PURPOSE:To aim at facilitating the controls of media in regard to a data library system controlling a large quantity of data including image data. CONSTITUTION:In a data library system having a registration means 21 writing and registering data transmitted from a data generator A in the media within a data library device 1 and a reference update means reading the registered data and transmitting it to a data display device B, a medium assignment control means 23 is provided, the partial items of the items in data to be registered are preliminarily selected as dispersion keys, the registered data is divided into groups by these dispersion keys, media are assigned to the groups, the correspondence of the number of medium and the dispersion key is controlled by a medium control table 20, and the registration means 21 writes data in the assigned media. |
