列变行

SELECT fdSchoolID, fdSchoolName,
SUM( IF( fdTypeID =6 , total, 0 )) AS t1,
SUM( IF( fdTypeID =7 , total, 0 )) AS t2,
SUM( IF( fdTypeID =17, total, 0 )) AS t3,
SUM( IF( fdTypeID =18, total, 0 )) AS t4,
SUM( IF( fdTypeID =26, total, 0 )) AS t5,
SUM( IF( fdTypeID =27, total, 0 )) AS t6,
SUM( IF( fdTypeID =30, total, 0 )) AS t7
FROM (
SELECT fdSchoolID, fdSchoolName, fdTypeID, sum( fdTotal ) AS total
FROM `contentcount`
GROUP BY fdSchoolID, fdTypeID
) AS B
GROUP BY fdSchoolID

列变行

原文：http://www.cnblogs.com/huixuexidezhu/p/5492365.html