列转行

标签：数据   .com   order by   列转行   sel   image   code   com   技术   

表中数据列转行

SELECT PEOPLE_NAME, 

MAX(DECODE(RN, 1, ILL_NAME, NULL)) AS ILL_NAME1,
MAX(DECODE(RN, 2, ILL_NAME, NULL)) AS ILL_NAME2,
MAX(DECODE(RN, 3, ILL_NAME, NULL)) AS ILL_NAME3,
MAX(DECODE(RN, 4, ILL_NAME, NULL)) AS ILL_NAME4
FROM (SELECT A.PEOPLE_NAME,
A.ILL_NAME,
ROW_NUMBER() OVER(PARTITION BY PEOPLE_NAME ORDER BY ILL_NAME) AS RN
FROM ILL_NAME A) T
GROUP BY PEOPLE_NAME
ORDER BY 1

列转行

标签：数据   .com   order by   列转行   sel   image   code   com   技术   

原文地址：https://www.cnblogs.com/ZyZx/p/9946685.html