vf中的order by 3 desc
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vf中的order by 3 desc
vf中的order by 3 desc
vf中的order by 3 desc
按照查询结果的第三项表达式的值,降序排列记录.
例:
select 学号,语文,数学,英语 from 学籍 order by 3 desc
相当于:
select 学号,语文,数学,英语 from 学籍 order by 数学 desc
因为select 后面第三个表达式是 数学
select aa,bb,cc......
cc就是第三个,order by 3 desc 就是以cc这列降序排序
vf中的order by 3 desc
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