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180. Consecutive Numbers

180. Consecutive Numbers

作者: wenmingxing | 来源:发表于2018-07-23 10:40 被阅读33次
题目链接:

180. Consecutive Numbers

解析:

这道题比较简单,就是将表应用三次,直接使用WHERE限定即可,值的注意的是需要使用DISTINCT来进行去重。

题解:
# Write your MySQL query statement below
SELECT DISTINCT L1.Num AS ConsecutiveNums FROM Logs L1, Logs L2, Logs L3 
WHERE L1.Id+1 = L2.Id AND L2.Id+1 = L3.Id AND L1.Num = L2.Num AND L2.Num = L3.Num;

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