CREATE OR REPLACE VIEW VIEW_LC_REALDATA_DY AS
SELECT
terminalno,terminalname,
terminaltime,servertime,direction,
MAX(DECODE(dataitemno,'1',receivedata)) AS ady,
MAX(DECODE(dataitemno,'2',receivedata)) AS bdy,
MAX(DECODE(dataitemno,'3',receivedata)) AS cdy
FROM
MS_Realdata GROUP BY terminaltime,servertime,direction,terminalno,terminalname;
oracle中多行数据转换为多列
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转载自a--bian.iteye.com/blog/2116725
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