根据多个字段查找重复的数据

select 
  * 
from 
  table_test a 
where 
  (
    a.api_project_quota_id, 
    a.api_breed_id, 
    a.api_quota_id, 
    a.api_unit_id, 
    a.api_sample_id, 
    a.api_device_id
  ) in (
    select 
      api_project_quota_id, 
      api_breed_id, 
      api_quota_id, 
      api_unit_id, 
      api_sample_id, 
      api_device_id
    from 
      web_longzhong_data_diaoyan 
    group by 
      api_project_quota_id, 
      api_breed_id, 
      api_quota_id, 
      api_unit_id, 
      api_sample_id, 
      api_device_id
    having 
      count(*) > 1
  );