As a concrete application of spatial database, nearest neighbor query of spatial data has attracted more and more attention in reality.
空间数据近邻查询作为空间数据库在现实生活中的具体应用,受到人们越来越多的关注。
The effects of clustering the rows by their spatial properties rely on accessing just a subset of the data during query time.
按照空间属性聚集这些行的效果取决于在查询时对一个数据子集的访问。
To find out, issue a spatial data query that reports all cities such that the bounding box of the tsunami line intersects the geographical city center.
为此,发出一个空间数据查询,搜索其中心包含在海啸线内的所有城市。
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