日期:2014-05-17 浏览次数:20673 次
with t as( select 'DW' zdmc,'成都' zdz from dual union all select 'ND','2008' from dual union all select 'KTXM','南缘' from dual union all select 'GQ','华油' from dual union all select 'XMLX','清华' from dual union all select 'TKRQ','2008-3-18 0:00:00' from dual ) SELECT max(DECODE(zdmc, 'DW', zdz)) DW, max(DECODE(zdmc, 'ND', zdz)) ND, max(DECODE(zdmc, 'KTXM', zdz)) KTXM, max(DECODE(zdmc, 'GQ', zdz)) GQ, max(DECODE(zdmc, 'XMLX', zdz)) XMLX, max(DECODE(zdmc, 'TKRQ', zdz)) TKRQ FROM T DW ND KTXM GQ XMLX TKRQ ----------------- ----------------- ----------------- ----------------- ----------------- ----------------- 成都 2008 南缘 华油 清华 2008-3-18 0:00:00
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楼上最经典的行转列,百度导出都是
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一般做法就是一个一个判断
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测试数据:
CREATE TABLE T186 ( ZDMC VARCHAR2(20), ZDZ VARCHAR2(20) ); INSERT INTO T186 VALUES('DW', '成都'); INSERT INTO T186 VALUES('ND', '2008'); INSERT INTO T186 VALUES('KTXM', '南缘'); INSERT INTO T186 VALUES('GQ', '华油'); INSERT INTO T186 VALUES('XMLX', '清华'); INSERT INTO T186 VALUES('TKPQ', '2008-3-18 0:00:00');