sql-leetcode Consecutive Numbers 开始想 用 group 把Num都聚在一起 -- Group By语句从英文的字面意义上理解就是“根据(by)一定的规则进行分组(Group)”。 --它的作用是通过一定的规则将一个数据集划分成若干个小的区域,然后针对若干个小区域进行数据处理。但是group by是先排序后分组; 每个部门有多少人: 1 ...
1# Write your MySQL query statement below234# SELECT5# DISTINCT l1.Num ConsecutiveNums6# FROM7# logs l1,8# logs l2,9# logs l310# WHERE11# l1.Id = l2.Id -1AND12# l2.Id = l3.Id -1AND13# l1.Num =l2.Num AND14# l2.Num =l3.Num1516selectDISTINCT num AS"ConsecutiveNums"FROM...
https://leetcode.com/problems/consecutive-numbers/ 题目: AI检测代码解析 Write a SQL query to find all numbers that appear at least three times consecutively. +—-+—–+ | Id | Num | +—-+—–+ | 1 | 1 | | 2 | 1 | | 3 | 1 | | 4 | 2 | | 5 | 1 | | 6 | 2 | |...
1、题目名称 Consecutive Numbers(找出连续出现的数字) 2、题目地址 https://leetcode.com/problems/consecutive-numbers/ 3、题目内容 写一个SQL,查出表Logs中连续出现至少3次的数字: +---+---+ | Id | Num | +---+---+ | 1 | 1 | | 2 | 1 | | 3 | 1 | | 4 | 2 | | 5 | 1 | ...
【SQL刷题系列】:leetcode178 Rank Scores 【SQL刷题系列】:leetcode183 Customers Who Never Order ▌题目描述 Write a SQL query to find all numbers that appear at least three times consecutively. 写一段SQL查询语句,找到所有出现至少连续三次的数字。
[LeetCode] Consecutive Numbers 连续的数字 Write a SQL query to find all numbers that appear at least three times consecutively. +---+---+ | Id | Num | +---+---+ | 1 | 1 | | 2 | 1 | | 3 | 1 | | 4 | 2 | | 5 |...
180.Consecutive Numbers 这道题要求找出连续出现至少三次的数 这道题可以用自联结来解决,解决思路就是,找到id大1且num相等以及id号大2且num相等的num,具体SQL如下: SELECT DISTINCT log1.Num AS 'ConsecutiveNums' FROM Logs log1 INNER JOIN Logs log2 ON (log2.Id = log1.Id+1 AND log2.Num = log...
com/problems/consecutive-numbers/solution/lian-xu-chu-xian-de-shu-zi-by-leetcode/ 6 超过经理收入的员工 left join 除了= 还可以> 我 Select Name as Employee from (select p.*,q.sALARY AS MANAGERsalary from Employee p left join Employee q ON p.MANAGERid = q.ID) t where sALARY > MANAGER...
所以,为了提高大家的算法能力,这 个公众号后续每天带大家做一道算法题,题目就从 LeetCode 上面选 ! 今天和大家聊的问题叫做 连续出现的数字 ,我们先来看题面: /problems/consecutive-numbers/ Write an SQL query to find all numbers that appear at least three times consecutively. Return the result table ...
leetcode测试用例json转SQL insert 题目总目录分题目列表:leetcode175 组合两个表 Combine Two Tablesleetcode176 第二高的薪水 Second Highest Salaryleetcode177 第N高的薪水 Nth Highest Salaryleetcode178 分数排名 Rank Scoresleetcode180 连续出现的数字 Consecutive Numbersleetcode181 超过经理收入的员工 Employees...