Once you configure the BdpConnection component, you can start to write SQL commands to select tables from the SAMPLE database.
配置好BdpConnection组件之后,便可以开始编写对SAMPLE数据库中的表进行select操作的SQL命令。
You can easily list tables containing spatial data and select tables to display as a map using a combination of points, lines, and polygons.
可以很方便地列出包含空间数据的表,并可将表展示为由点、线、和多边形组成的图。
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