MySQL 報錯 Duplicate entry xxx for key group_key

MySQL 報Duplicate entry xxx for key '<group_key>' 錯誤 1.報錯 mysql> select shop_id,bd_code,gmt_create from e_sos_shop_bd_log group by shop_id,bd_code,gmt_create having count(1) > 1; ERROR 1062 (23000): Du

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