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专利名称：Database management system, data
structure generating method for databasemanagement system, and storage mediumtherefor
发明人：Toshio Shinjo申请号：US10682734申请日：20031010
公开号：US20040133581A1公开日：20040708
专利附图：
摘要：A database management system includes an object conversion unit converting
each of a plurality of natural objects and each of a plurality of object IDs of consecutivedata according to a predetermined rule in a unique relationship and a bidirectionalmanner; and a database storing tables of a hierarchical structure including the object IDsconverted by said object conversion unit as a permanent object holding data during aperiod. The tables of the hierarchical structure have a data structure formed by
connecting a lower table and another lower table through at least one upper table on achain and in a bidirectional manner.
申请人：HIGH-SPEED ENGINEERING LABORATORY, INC.
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