我有一个带有列,整数类型的表,它不是主键。我有数千条记录。
我想找到丢失的ID。
我有这些数据:
1
2
3
4
6
8
11
14
我想要得到这个结果:5,7,9,10,12,13
你知道我该怎么做吗?
谢谢,
更容易将其作为范围:
select (col + 1) as first_missing, (next_col - 1) as last_missing
from (select t.*, lead(col) over (order by col) as next_col
from t
) t
where next_col <> col + 1