Sql Query To Find Second Highest Salary Of Employee That s all about 5 ways to find the 2nd highest salary in SQL As I said this is one of the popular SQL interview question and you must prepare for it By the way a couple of examples will not work in all database particularly the LIMIT keyword one which will only work in MySQL and PostgreSQL which support LIMIT Keyword but sub query and self join and window function solution will work in
Use subquery to find the 2nd highest SELECT MAX salary FROM employees WHERE salary NOT IN SELECT MAX salary FROM employees But this solution is not much good as if you need to find out the 10 or 100th highest then you may be in trouble So instead go for window function like The above query will give us the 2nd highest salary of employee Hope you will understand the logic behind fetching the second highest salary There are other ways to find 2nd highest salary of employee using rank and dense rank function Other ways to find 2nd highest salary Query 1
Sql Query To Find Second Highest Salary Of Employee
Sql Query To Find Second Highest Salary Of Employee
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The result of the second subquery is then used to find the employee ID s of the second highest salary in the main query by matching the salary The final result of the query will be all the employees who have the second highest salary in the employees table Visual Presentation Alternative Statements Code 1 How To Find Second Highest Salary Using a Sub Query 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
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 First fetch the highest salary using MAX Then filter salaries less than the maximum and apply MAX again to get the second highest salary Use Case This approach works in most databases and is useful when dealing with small datasets However it can be slower for larger datasets since it requires nested queries
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The Second Highest Salary problem LeetCode 176 is an easy difficulty SQL challenge where you re tasked with writing a query to find the second highest salary from an Employee table If there is no second highest salary e g fewer than two distinct salaries the query should return NULL The subquery SELECT MAX Salary FROM Employees retrieves the highest salary 9000 Exclude the Highest Salary The WHERE Salary condition filters out the highest salary from the main query Retrieve the Maximum of Remaining Salaries The outer query uses MAX Salary to find the second highest salary among the filtered results
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