Oracle之行列转置
发布时间:2020-12-12 14:53:38 所属栏目:百科 来源:网络整理
导读:创建两张测试表 SQLcreatetablet1as2select'one'asd1,3'two'asd2,4'three'asd3,5'four'asd4,6'five'asd5fromdual;SQLcreatetablet2(dvarchar2(10),desvarchar2(50); 转置 SQLinsertall2intot2(d,des)values('一',d1)3intot2(d,des)values('二',d2)4intot2(d,
创建两张测试表 SQL>createtablet1as 2select'one'asd1,3'two'asd2,4'three'asd3,5'four'asd4,6'five'asd5fromdual; SQL>createtablet2(dvarchar2(10),desvarchar2(50); 转置 SQL>insertall 2intot2(d,des)values('一',d1) 3intot2(d,des)values('二',d2) 4intot2(d,des)values('三',d3) 5intot2(d,des)values('四',d4) 6intot2(d,des)values('五',d5) 7selectd1,d2,d3,d4,d5fromt1; 类似 SQL>insertintot2(d,des) 2select'一',d1fromt1unionall 3select'二',d2fromt1unionall 4select'三',d3fromt1unionall 5select'四',d4fromt1unionall 6select'五',d5fromt1; (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |