Second Highest Salary Using Subquery 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 from the employee table and then selects all the salaries that are not equal to
Other Ways to Find Second Highest Salary in SQL SELECT MAX salary FROM employee WHERE salary SELECT MAX salary FROM employee In SQL Server using Common Table Expression or CTE we can find the second highest salary DENSE RANK OVER ORDER BY Salary Desc AS Rnk Step 2 We will fetch the distinct Salary of employee and give the alias to it For instance Select distinct Salary from Employee e1 Output Salary 680000 550000 430000 Step 3 We need to calculate 2nd highest salary So we need to get the count of all distinct salaries
Second Highest Salary Using Subquery
Second Highest Salary Using Subquery
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Explanation The query uses a subquery to find the maximum salary from the employees table It then compares each salary in the employees table with this maximum salary to find the next highest salary which results in the second highest salary Finally MAX salary is used to retrieve this calculated second highest salary as the output 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
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 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
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Here is the SQL query you can use to calculate the Nth salary SELECT name salary FROM Employee e1 WHERE N 1 SELECT COUNT DISTINCT salary FROM Employee e2 WHERE e2 salary e1 salary for the 2nd maximum you can replace N with 2 and for 3rd maximum replace N with 3 here is the output To Get the Second Highest Salary use a Subquery along with the Max function Select Max Salary as Salary from tbl Employees where Salary select MAX Salary from tbl Employees Output How To Find Second Highest Salary Using a Sub Query SELECT TOP 1 SALARY
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 salary from Finding the second highest salary in SQL using subqueries is a common task that tests one s understanding of SQL queries and their nuances By mastering subqueries and related concepts like the LIMIT clause MAX function and window functions you can tackle this challenge efficiently Remember to consider duplicates gaps and performance
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Second Highest Salary Using Subquery - Explanation The query uses a subquery to find the maximum salary from the employees table It then compares each salary in the employees table with this maximum salary to find the next highest salary which results in the second highest salary Finally MAX salary is used to retrieve this calculated second highest salary as the output