摘要
本文从分析数字化管线空间数据库设计的目的以及空间数据库的特性入手,对各实体集内部的关系、实体集之间的关系进行归纳,进而得出了数字化管线空间数据库的概念模型。
This paper analyzed the design goal of spatial database of digitized pipeline and characteristics of the spatial database, then summarized the internal relationship of various entity set and the relationship among entity set. On this basis, this paper got the conclusion of conceptual model of spatial database of digitized pipeline.
出处
《成都航空职业技术学院学报》
2009年第4期78-80,共3页
Journal of Chengdu Aeronautic Polytechnic
关键词
数字化管线
空间数据库
概念模型
digitized pipeline, spatial database, conceptual model