spatial join queries 空间连接查询
spatial information queries 空间信息检索
remote spatial join queries 分布式空间查询优化
online spatial distance queries 联机空间距离查询
All queries based on features can combine all spatial queries with non spatial ones.
各查询以要素为基础,可将空间和非空间查询有机结合起来。
参考来源 - GML查询机制的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The end goal of this article's exercise was to prepare an existing dataset for spatial queries, including distance-based ones.
本文的最终目标是为进行空间查询(包括基于距离的查询)而准备现有的数据集。
The paper presents three methods of spatial queries: spatial Select Query, spatial Joint Query, and Nearest Neighbor Query.
该文还介绍了三种查询方法：空间选择查询、空间连接查询和最近邻居查询。
Now that the spatial table is populated, it is time to add a spatial index to support spatial queries; in DB2 that is a grid index.
既然已经填充了空间表，就应该添加空间索引来支持空间查询了；在DB 2中这是一个网格索引。
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