得到相同的数据 雨

FROM         t_customer
WHERE     (Customer_number IN
                          (SELECT     Customer_number
                            FROM          t_customer AS companyepe_2
                            GROUP BY Customer_number
                            HAVING      (COUNT(Customer_number) > 1)))

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原文地址：https://www.cnblogs.com/manage/p/2482730.html