你应该在两个字段之间设置一个复合键.这需要每行都有一个唯一的 stone_id 和 upcharge_title.

You should set up a composite key between the two fields. This will require a unique stone_id and upcharge_title for each row.

只要找到现有的重复项，试试这个:

As far as finding the existing duplicates try this:

select   stone_id,
         upcharge_title,
         count(*)
from     your_table
group by stone_id,
         upcharge_title
having   count(*) > 1