主要介绍了Oracle数据表中行转列与列转行的操作方法,这里分静态和动态情况作出了分类讨论,需要的朋友可以参考下

行转列 一张表 查询结果为 –行转列 select years,(select amount from Tb_Amount as A where month=1 and A.years=Tb_Amount.years)as m1, (select amount from Tb_Amount as A where month=2 and A.years=Tb_Amount.years)as m2, (select amount from Tb_Amount as A where mon