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  • SQL分页的几种方式

    1.使用Row_number() over(order by columnName)函数来作为标示分页(下面的例子都是以last_seen来排序的,要求取顺序为20-30行的数据)

    SELECT Username,real_filename,Row_number() over (order by last_seen desc) as rn INTO #tempTable from Allftplog

    SELECT * FROM #tempTable where rn between 20 and 30;

    2.使用IDENTITY来设定行号,根据行号来分页

    SELECT Username,real_filename,IDENTITY(int,1,1) as rn into #tempTable from Allftplog order by last_seen desc;

    SELECT * FROM #tempTable where rn between 20 and 30;

    3.使用With  AS() 来生成临时表

    With UNIT AS(SELECT Row_number() over (order by last_seen desc) as rn ,Username,real_filename from Allftplog);

    select * from UNIT where rn between 20 and 30

    其中,大数据量的时候第三中方式最快,推荐使用。

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  • 原文地址:https://www.cnblogs.com/goxmpx/p/3166560.html
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