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 | +----+-------+--------+--------------+ | 1 | Jo…
创建表:Create table If Not Exists Employee (Id int, Name varchar(255), Salary int, DepartmentId int);Create table If Not Exists Department (Id int, Name varchar(255));Truncate table Employee;insert into Employee (Id, Name, Salary,DepartmentId) values ('…
SQL 架构 Create table If Not Exists Employee (Id ), Salary int, DepartmentId int) Create table If Not Exists Department (Id )) Truncate table Employee insert into Employee (Id, Name, Salary, DepartmentId) values (') insert into Employee (Id, Name, Sala…
185. 部门工资前三高的所有员工 LeetCode_MySql_185 题目描述 方法一:使用join on # Write your MySQL query statement below select d.Name as 'Department', e1.Name as 'Employee', Salary from Employee e1 join Department d on e1.DepartmentId = d.Id where 3 >( # 查找工资高于e1.Salary的个数…
--通用sql select deptno, ename, sal from emp e1 where ( ) from emp e2 where e2.deptno=e1.deptno and e2.sal>=e1.sal ) /*这里的数值表示你想取前几名*/ order by deptno, sal desc; --oracle查询 select * from (select deptno,ename,sal,row_number() over (partition by deptno o…
), Salary int, DepartmentId int) )) Truncate table Employee ') ') ') ') Truncate table Department ', 'IT') ', 'Sales') ---第一种 SELECT D.Name AS Department ,E.Name AS Employee ,E.Salary FROM Employee E, (SELECT DepartmentId,max(Salary) as max FROM Empl…
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 | +----+-------+--------+--------------+ | 1 | Jo…
184. 部门工资最高的员工 SELECT D. NAME Department, E. NAME Employee, E.Salary FROM -- 内连接两张查询表 Employee E INNER JOIN Department D ON E.DepartmentId = D.ID WHERE -- 保证查询结果中E.DepartmentId, Salary对应不能最高工资 (E.DepartmentId, Salary) IN ( -- 分组查询出部门以及部门最高工资(有可能多个领最高…
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1. 第二高的薪水 select ifnull((select distinct Salary from Employee order by Salary desc limit 1,1),null) as SecondHighestSalary; 2.第N高的薪水 select distinct Salary from Employee e where N = (select count(distinct Salary) from Employee where Salary >= e.Sal…
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 | +----+-------+--------+--------------+ | 1 | Jo…
