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我表中的列名只是 0-20 之间的数字,其中每一列都对应一个数字,但是,当我尝试
select 0 from table
我的列中只有零的输出,如何在不更改列名的情况下选择列?
select "0" from table
尝试从表中选择 [0]。您的方式是为表中的所有条目复制零