Analysis of Query Methods for Spatial Data in Relational Database
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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.
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Keywords:
- spatial data /
- relational database /
- GIS /
- query methods
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