sql列转行
摘要:1.需要实现一个单行的统计报表思路先用一个union查出单列,然后再把单列转成单行2.实现SELECTMAX(CASE WHEN type = 1 THEN num ELSE 0 END) AS 'GeneralCnt',MAX(CASE WHEN type = 2 THEN num ELSE 0 ...
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posted @ 2014-05-07 09:03
posted @ 2014-05-07 09:03
posted @ 2013-01-19 22:13