Recording medium for recording hierarchical data structure and method for creating hierarchical data storage structure

摘要

PURPOSE: A recording medium having a hierarchical data structure and a method for forming a hierarchical data storing structure are provided to prevent a waste of a storing space and decrease an overhead when data of the storing space are updated by preventing a duplicated storage of data with respect to data having a hierarchical property and forming a hierarchical data storing structure. CONSTITUTION: In a recording medium for storing a hierarchical data structure including a store layer and a class layer, store header information(11,21,22,23) stores information with respect to a store included in a store layer, information with respect to a class included in the store layer, and information with respect to an attribute of the store layer. Class header information(31-36) stores information with respect to an index included in the class layer, information with respect to an instance included in the class layer, and information with respect to an attribute of the class layer. In addition, index information and instance information are included. Information with respect to a store included in the store layer includes information with respect to a name of the store and information with respect to the number of stores. Information with respect to a class included in the store layer includes information with respect to a name of the class and information with respect to the number of classes.