强大的group by 代码如下: select stdname, isnull(sum( case stdsubject when ‘ 化学 ‘ then Result end), 0 ) [化学], isnull(sum( case stdsubject when ‘ 数学 ‘ then Result end), 0 ) [数学], isnull(sum( case stdsubject when ‘ 物理 ‘ then Result end), 0 ) [物理], isnull(sum( case stdsubject when ‘ 语文 ‘ then Result end), 0 )
