oracle行列转换，多行转一行，用逗号分割

--行列转换
SELECT * FROM it_suremainproblems WHERE mainapplyno='ITWX201409230092'
SELECT 
  a.mainapplyno,
  wm_concat (a.proname) new_result
FROM 
  it_suremainproblems a WHERE mainapplyno='ITWX201409230092'
group by 
  a.mainapplyno
--end
--多行转一行
SELECT  desktop_id  ,  wm_concat(rp) AS rp ,wm_concat(zb) AS zb,  wm_concat(cpus) AS cpus,wm_concat(nc) AS nc
 FROM v_itparts WHERE desktop_id ='MSX-IT-1667' GROUP BY desktop_id
--end

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转载于:http://blog.itpub.net/26495863/viewspace-1349812/