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Spatial Database Structure Design of 4D Products
Author(s): 
Pages: 102-105
Year: Issue:  3
Journal: JOURNAL OF EARTH SCIENCES AND ENVIRONMENT

Keyword:  4D产品空间数据库空间数据引擎全关系化;
Abstract: 主要研究了4D产品(DEM、DOM、DRG、DLG) 空间数据库结构设计,将4D产品通过空间数据库引擎ArcSDE存储在大型商业关系数据库管理系统Oracle8i中.在Oracle中可以建立不同的关系表来存储一些4D产品.由于采用关系数据库管理空间数据符合OpenGIS规范,这将增加空间数据的互操作性,并能使GIS融入IT技术的主流.
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