Abstract
An Oracle-based object-oriented vector-raster-integrated spatial database management system was proposed in this paper based upon the combination of mature relational spatial database storage and spatial data engine technologies in order to solve the problem of low transferability and efficiency that exists in the storage and management of multi-source heterogeneous spatial data. By rearranging the data transfer flow, establishing an integrated vector and raster data model, and optimizing the spatial data retrieval mechanism, this system enabled united storage and efficient management of spatial data. A comparison with ArcSDE, a piece of international leading similar software, revealed this technology's higher data transfer performance and better query and retrieval efficiency
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