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目前我在 Mapinfo 10.5 工作,有一个包含 5 百万个点的表,我想做的是按 col1(包含整数值)、col2(包含 char 值)排序。看起来很简单的查询:
select * from my_table order by col1,col2 into selection browse * from selection
但是,这会耗费大量时间。有没有办法通过 mapbasic 或者我可以做同样的任务并快速获得输出的方法!