# 180. 连续出现的数字

![在这里插入图片描述](https://img-blog.csdnimg.cn/20190716211900368.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2phY2tpZV9vMm8y,size_16,color_FFFFFF,t_70)\
1.因为连续出现三个ID减一\
2.as可以省略

```sql
# Write your MySQL query statement below
SELECT DISTINCT
    l1.Num AS ConsecutiveNums
FROM
    Logs as l1,
    Logs as l2,
    Logs as l3
WHERE
    l1.Id = l2.Id - 1
    AND l2.Id = l3.Id - 1
    AND l1.Num = l2.Num
    AND l2.Num = l3.Num

```


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