如果把第二高,更新为第N高的薪水 CREATEFUNCTIONgetNthHighestSalary(NINT)RETURNSINTBEGINSETN=N-1;IFN<0THENRETURNNULL;ELSERETURN( # Write your MySQL query statement below.SELECTIFNULL( (SELECTDISTINCTSalaryFROMEmployeeORDERBYSalaryDESCLIMIT N,1),NULL)ASgetNthHighestSalary );ENDIF;END...
Finding record of Nth highest salaried employee (where N, should equal to records or less then of the records), Here we are finding 1st , 2nd, 3rd and so on highest salaried employee’s name one by one using SQL Query. Here employee table, which has three fields eid(employee id), ...
第二高的薪水 second highest salary 题目 分析 解答 题目 编写一个 SQL 查询,获取 Employee 表中第二高的薪水(Salary) 。 例如上述 Employee 表,SQL查询应该返回 200 作为第二高的薪水。如果不存在第二高的薪水,那么查询应返回 null。 代码模板: 分析 这道题的重点在:如果不存在第二高的薪水,那么查询应返回...
In the main query, the subquery finds the highest salary among employees hired between January 1, 2002 and December 31, 2003, and the main query returns the details of that employee.Visual Presentation:Alternative Statement:Using Subquery with JOIN:SELECT a.employee_id, a.first_name, a.last_...
After that, you can run the SQL query to find the Nth highest salary for testing. CREATE TABLE Employee ( Id INT NOT NULL, Salary INT NULL ); INSERT INTO Employee VALUES (1, 100); INSERT INTO Employee VALUES (2, 200); INSERT INTO Employee VALUES (3, 300); 4. SQL query to find...
) sub ON e.department = sub.department AND e.salary = sub.min_salary; 解析:先通过子查询计算每个部门的最低工资,再与`employees`表连接,获取每个部门工资最低的员工。 21. 答案:`SELECT e.employee_name, m.employee_name AS manager_name FROM employees e LEFT JOIN employees m ON e.manager_id ...
假设有一个名为`Employees`的表,包含`EmployeeID`, `FirstName`, `LastName`, `Salary`等列。请编写SQL语句,查询所有员工的姓名和工资,并按工资从高到低排序。相关知识点: 试题来源: 解析 答案: ```sql SELECT FirstName, LastName, Salary FROM Employees ORDER BY Salary DESC; ```...
📃编写一个 SQL 查询,获取Employee表中第二高的薪水(Salary),如果不存在第二高的薪水,那么查询应返回null。 例如上述Employee表,SQL查询应该返回200作为第二高的薪水。 +---+ | SecondHighestSalary | +---+ | 200 | +---+ 1. 2. 3. 4. 5. 👇LeetCode原...
查询EMPLOYEE表中salary(工资)字段大于1000的所有数据的sql正确的是?A.sql = SELECT * FROM EMPLOYEE WHERE INCOME > %s % (1000)B.sql = SELECT * FROM EMPLOYEE WHERE INCOME > ,1000C.sql = SELECT * FROM EMPLOYEE WHERE INCOME > s%,1000D.sql = SELECT * FROM EMPL
184. Department Highest Salary[M] 一、表信息 表一:Employee 表二:Department 二、题目信息 查询每个部门中,薪水最高的员工姓名及其薪水。 Write a SQL query to find employees who have the highest salary in each of the departments. For the above tables, your SQL query should return the following ...