PURPOSE: To generate a class, a link attribute, etc., from a logical skimmer and real data.
CONSTITUTION: A logical skimmer part 11 stores plural logical skimmers consisting of a set having plural items and a main key for discriminating a record as the gathering body of the items. A main key decision part 131 decides whether or not there is an item showing the main key of other logical skimmers to be analyzed, obtained from the logical skimmer part 11, except the item indicating the main key. A class relation part 132 relates the logical skimmers to be analyzed with other logical skimmers as classes when there is the item indicating the main key of other logical skimmers among items of the logical skimmers to be analyzed except the item indicating the main key.
YOSHIDA HIROYUKI
NAKAYAMA HIROKO
