sql重複數據處理，有唯一ID，formid有重複,留一條

/*sql重複數據處理，有唯一ID，formid有重複*/

/*查出重複的fromid*/

select formid from GaiaSaver_BUG group by formid having count(*)>1

/*刪除重複formid，只留一條*/

delete from GaiaSaver_BUG  where ID not in
(select   min(ID) as ID  from  GaiaSaver_BUG  group by formid)