sql 更新重复数据只取一条记录
select s.*
from (
select *, row_number() over (partition by PersonnelAccount order BY PersonnelID) as group_idx
from AUX_SpecialPersonnel
) s
where s.group_idx > 1
from (
select *, row_number() over (partition by PersonnelAccount order BY PersonnelID) as group_idx
from AUX_SpecialPersonnel
) s
where s.group_idx > 1