This paper analyses some aspects of Oracle Spatial GeoRaster such as data model, data types and storage structure, and then using GeoRaster to store and manage the DEM data and its textures in database.

• 本文剖析了Oracle Spatial GeoRaster的数据模型、数据类型以及存储结构等问题,利用GeoRaster存储和管理DEM及其纹理数据。