How To Find Second Highest Salary In Sql Without Using Subquery 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
Below is one of the implementation create table salary salary int insert into salary values 100 200 300 SELECT TOP 1 salary FROM SELECT TOP 2 salary FROM salary ORDER BY salary DESC AS emp ORDER BY salary ASC drop table salary The output is here 200 as 300 is first highest 200 is second highest and 100 is the third highest 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
How To Find Second Highest Salary In Sql Without Using Subquery
How To Find Second Highest Salary In Sql Without Using Subquery
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Multiple ways to find second highest salary in SQL
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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 Output Now to find the second highest salary we nest the above query into another query as written below SELECT MAX SALARY FROM Employee WHERE SALARY SELECT MAX SALARY FROM Employee This query will give you the desired output i e 12000 which is the second highest salary
A simple SQL query for the second highest salary is Select from employees where salary select Max salary from employee We can also nest the above query to find the second highest salary in SQL select from employees group by salary order by salary desc limit 1 1 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
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Method 1 Using LIMIT with Subquery and DISTINCT One of the most straightforward methods to find the second highest salary is by using a subquery with the DISTINCT keyword to eliminate duplicates combined with the LIMIT clause to narrow down the results SELECT DISTINCT Salary FROM Employee ORDER BY Salary DESC 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
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 For example given the above Employee table the second highest salary is 200 If there is no second highest salary then the query should return NULL You can write SQL query in any of your favorite databases e g MySQL Microsoft SQL Server or Oracle You can also use database specific feature e g TOP LIMIT or ROW NUMBER to write SQL
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How To Find Second Highest Salary In Sql Without Using Subquery - 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