关系数据库管理空间数据的方式下数据查询方法的研究

Analysis of Query Methods for Spatial Data in Relational Database

摘要: 从逻辑上概括了基本的二维空间关系,描述新增的查询需求,阐述如何通过关系运算,推演出正确结果,在文章最后给出具体的例子,并对查询的问题作了些简单的总结。

Abstract: This paper discusses about some methods for querying spatial data managed by relational database.It creates some models of data relation.An example is given to show the application of the query methods.