Spatial-attribute data management device and its method using spatial index in relational database

摘要

An object of the present invention is to provide a space-attribute data management apparatus and method for efficiently managing and analyzing geographic information composed of a mixture of spatial information and attribute information when constructing a geographic information system in a relational database system. Is in. The present invention develops the space-attribute information management system required to build a geographic information system to operate independently of an operating system and a relational database system, so that a system builder can use any relational database system regardless of which operating system. It is also designed to be used directly when building a web-based geographic information system through the Internet.