oracle 某个字段重复的记录，选其中随便一条。

select *
                from BASE_DCR_DUE
               where rowid in (select row_id
                                 from (select du_mode_code, max(rowid) row_id
                                         from BASE_DCR_DUE t
                                        group by t.du_mode_code))

原文链接：https://blog.csdn.net/xlb744868186/article/details/53486108