Highest Salary Using Subquery The highest salary means no salary is higher than it the Second highest means only one salary is higher than it 3rd highest means two salaries are higher than it similarly Nth highest salary means N 1 salaries are higher than it Pros 1 The generic solution works in all databases including Oracle MySQL SQL SERVER and PostgreSQL Cons
If you want to do it using subqueries you can try like following to get the details of employee s and department s with 2nd highest salary 55 SELECT DeptID MAX Salary FROM EmpDetails GROUP BY DeptID The above query is the accepted answer but it will not work for the following scenario Let s say we have to find the employees with the highest salary in each department for the below table
Highest Salary Using Subquery
Highest Salary 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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Using the dense rank function in SQL is a powerful way to quickly find the highest or lowest values in a table By following the steps outlined in this article you can easily find the 3rd highest salary in your dataset and gain valuable insights into your data In this example the subquery finds the highest salary of employees in each department 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 SELECT statement as follows
Without utilizing a subquery you may find the nth highest salary in MySQL as illustrated below SELECT FROM Employee ORDER BY salary DESC LIMIT N 1 1 Using this query we can find the 4th highest salary in our example database table and see how it works SELECT FROM Employee ORDER BY salary DESC LIMIT 4 1 1 This strategy has the 11 Answers Sorted by 23 In SQL Server 2005 2008 create a ranked subselect query then add a where clause where the rank 5
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Method 2 Using SELF JOIN SELECT MAX e1 salary AS second highest salary FROM employees e1 WHERE e1 salary SELECT MAX salary FROM employees e2 In this approach we employ a self join to find the second highest salary The first SELECT statement retrieves the maximum salary using the MAX aggregate function aliasing it as second What do you want to do in case of a tie E g add another record with salary 300 to your sample table Then do you want to show 300 or 200 You must answer this question first before you can write the query
What Is the Task Here Let s find the third highest salary by department This means finding the third highest value not overall but within each subset where a subset has the salaries for a given department The most helpful tool for doing this is the window functions So here s the first solution using a window function Using NTH VALUE Here N nth Highest Salary eg 3rd Highest salary N 3 Syntax SELECT ename sal from Employee e1 where N 1 SELECT COUNT DISTINCT sal from Employee e2 where e2 sal e1 sal Using the LIMIT Clause Syntax Select Salary from table name order by Salary DESC limit n 1 1
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Highest Salary Using Subquery - 11 Answers Sorted by 23 In SQL Server 2005 2008 create a ranked subselect query then add a where clause where the rank 5