SQL语句查找重复数据的写法:
 
select partner_id,* from sale_origin where partner_id in (select   partner_id from   sale_origin  group by   partner_id having count
(partner_id) > 1  ) ORDER BY partner_id DESC;
 
SQL语句查找重复的数据:
 
select   partner_id from   sale_origin  group by   partner_id having count   (partner_id) >3

 

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