To provide a hierarchical database device capable of setting type attributes by associating them with the category of a hierarchical database.
This hierarchical database device having a hierarchical structure in which the category of the low order succeeds the attributes of the category of the high order is provided with a means for setting at least one attribute owned by the first category as type attributes, and for setting accessory information including retrieval conditions with respect to the respective type attributes as the first type attribute set selectable by one operation, a means for making the category whose order is lower than that of the first category succeed the first type attribute set and a means for setting the second attribute set to be succeeded to the category whose order is lower than the category of the low order by using at least a portion of the first type attribute set.
MIZOGUCHI YUMIKO
MINAMINO NORIKO
Sadao Muramatsu
Atsushi Tsuboi
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Shoji Kawai