The arrows indicate the flow of spatial and non-spatial data through the system.
箭头表明空间和非空间数据在系统中的流向。
One frame is used to specify multiple SQL queries, where each query defines a single layer and the spatial and non-spatial data is retrieved from your DB2 database.
其中一个框架用于指定多个 SQL 查询,每个查询定义一个层,并从 DB2 数据库中检索空间和非空间数据。
This article does not cover how to set up a nickname, as that is a well-documented, general (non-spatial) process; I simply assume that you have access to the source data, whether it is local or not.
本文不讨论如何设置昵称,因为这是具有丰富文档可供参考的一般性(非空间)过程;我假设您能够访问源数据,无论源数据是否是本地的。
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