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mysql 数据去重复

mysql 数据去重复

作者: 投资是件快乐的事 | 来源:发表于2017-08-07 16:21 被阅读0次

DELETE

FROM  `portrait_tc_call_record`

WHERE

detailsId IN (

SELECT cr.detailsId

FROM ( SELECT detailsId

FROM `portrait_tc_call_record`

GROUP BY detailsId,party_id,bill_Month

HAVING COUNT(detailsId) > 1

) cr

)

AND id NOT IN (

SELECT tc.id

FROM ( SELECT MIN(id) id

FROM `portrait_tc_call_record`

GROUP BY detailsId,party_id,bill_Month

HAVING COUNT(detailsId) > 1

) tc

)

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