2nd Highest Salary In Sql Using Subquery Write a SQL query to get the second highest salary from the Employee table or ROWNUMBER the easiest and more portable way is to just order by twice using a subquery select top 1 x from select top 2 t1 from dbo Employee t1 order by t1 Salary as x order by x Salary desc
Query 3 Select Name From Employees Where Salary Select Distinct Top 1 Salary from Employees where Salary Not In Select Dustinct Top 1 Salary from Employees Order By Salary Descending Order by Salary Descending There are some other ways of calculating the second highest salary in different DBMS i e Oracle Mysql Postgresql Method 1 Using ORDER BY and LIMIT Clause One way to find the second highest salary is by using the ORDER BY and LIMIT clause Here is the SQL query SELECT DISTINCT Salary FROM Employee ORDER BY Salary DESC LIMIT 1 OFFSET 1 This query retrieves all unique salaries from the Employee table orders them in descending order skips the
2nd Highest Salary In Sql Using Subquery
2nd Highest Salary In Sql Using Subquery
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How to find Nth Highest Salary in SQL| How to find 2nd Highest Salary in SQL| SQL Interview Question - YouTube
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mysql - Select the nth highest value in a column and null if it doesn't exist - Stack Overflow
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Anyway here are 5 different ways to calculate the second highest salary in SQL 1 Second highest Salary Using a subquery This is the simplest way to find the second highest salary in SQL and this was also my solution when this question was asked to me first time 10 years ago In this method we will use a subquery to find the maximum salary To find the second highest salary in the above table we will use the concept of subquery which means that firstly we will find the highest salary in the table and then we will nest that query to a subquery to find the second highest salary in SQL To find the highest salary in the table write the following query SELECT MAX SALARY FROM
To use NTH VALUE we have to specify the column and the value of N Since we want to get the third highest salary the column is salary and N 3 hence we have NTH VALUE salary 3 This will get us the third highest salary For a window function to work we need to use an OVER clause The subquery SELECT MAX salary FROM Employees finds the maximum salary from the Employees table The outer query selects the maximum salary from the Employees table that is less than the maximum salary effectively retrieving the second highest salary This query efficiently retrieves the second highest salary without using the LIMIT or
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The subquery is evaluated each time main query scans over a row Example if we are to find 3rd largest salary N 3 from 800 1000 700 750 the subquery for 1st row would be SELECT COUNT DISTINCT Emp2 Salary FROM Employee Emp2 WHERE Emp2 Salary 800 which is 0 For 4th salary value 750 We can simply use the Max function as shown below Select Max Salary from Employee To get the second highest salary use a subquery along with Max function as shown below Select Max Salary from Employee where Salary Select Max Salary from Employee This query gives an incorrect result in the case of 3 rd highest salary
Output 3 Writing a Query As we have already created a table we will write and execute a query to find the second highest salary in SQL Here we will use a normal query using the MAX function as MAX salary to find the highest salary and then find the second highest salary by nesting it Select from Employee where salary select Max Second find all employees that belong to the location 1700 by using the department id list of the previous query The outer query looks at these values and determines which employee s salaries are greater than or equal to any highest salary by department SQL subquery in the FROM clause You can use a subquery in the FROM clause of the
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2nd Highest Salary In Sql Using Subquery - To use NTH VALUE we have to specify the column and the value of N Since we want to get the third highest salary the column is salary and N 3 hence we have NTH VALUE salary 3 This will get us the third highest salary For a window function to work we need to use an OVER clause