MAP PREPARATION DEVICE AND MAP DATABASE

摘要

This map preparation device is provided with: a data relation definition input unit (2) for inputting data relation definitions that define the relations between data that constitute the map data in the map database; a data relation definition analysis unit (3) for analyzing the relations between data defined in the data relation definitions inputted by the data relation definition input unit (2); and a data relation information preparation unit (4) for preparing data relation information set for inter-related data that constitutes the map data in the map database, on the basis of the results of analysis of data relation definitions by the data relation definition analysis unit (3).