The Employee table holds all employees. Every employee has an Id, and there is also a column for the department Id. +----+-------+--------+--------------+| Id | Name | Salary | DepartmentId |+----+-------+--------+--------------+| 1 |
題目: 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 || 7 | 2 |+----+-----+ For example,
利用SQL語句找出每一個部門中工資最高的人的資訊 原題 The Employee table holds all employees. Every employee has an Id, a salary, and there is also a column for the department Id. +----+-------+--------+--------------+| Id | Name | Salary | DepartmentId |+----+-------+--
177. Nth Highest Salary Total Accepted: 10762 Total Submissions: 66455 Difficulty: Medium Write a SQL query to get the nth highest salary from the Employee
題目: Write a SQL query to get the nth highest salary from the Employee table. +----+--------+| Id | Salary |+----+--------+| 1 | 100 || 2 | 200 || 3 | 300 |+----+--------+ For example, given the above
一、問題描述: Write a SQL query to get the second highest salary from the Employee table. +----+--------+| Id | Salary |+----+--------+| 1 | 100 || 2 | 200 || 3 | 300 |+----+--------+ For example, given the above Employee table, the