How To Find The Highest Salary In SQL Server 2017

Introduction

 
In this article, I am going to explain how to find the highest salary using various methods. This is the one of the most common questions asked in an interview in SQL.
 
Below are a couple of ways of finding the Highest Salary.
  1. Find the highest salary in SQL Server using a Sub-Query
  2. Find the highest salary in SQL Server using a CTE
Here we will be using SQL Server 2017 or you can use SQL Server 2008 or above.
 
Read my previous Joins in SQL Server 2017 part of this article using the below links before reading this article,
Prerequisites
 
SQL Server 2017 or you can use SQL server 2008 or above version.
 
Now, first we will create a Database and a table.
 

Creating Database and One Table

 
Step 1 - Create a Database
 
Open your SQL Server and use the following script to create the “chittadb” Database.
  1. Create database chittadb   
Now, select the script query then press F5 or click on Execute button to execute the above script.
 
You should see a message, “Command(s) completed successfully.” Means your new database created.
 
Step 2 - Create a table
 
Open your SQL Server and use the following script to create table “tbl_Employees”.
  1. Create table tbl_Employees  
  2. (  
  3.      Id int primary key not null identity(1,1),  
  4.      FirstName varchar(50),  
  5.      LastName varchar(20),  
  6.      Location varchar(20),  
  7.      Gender varchar(50),  
  8.      Salary int  
  9. )  
Execute the above query to create “tbl_Employees “.
 
You should see a message, “Command(s) completed successfully.”
 
Now, data is inserted into the table.
  1. Insert into tbl_Employees values ('Chittaranjan''Swain','Odisha''Male', 80000)  
  2. Insert into tbl_Employees values ('Chandin''Swain''Pune','Female', 76000)  
  3. Insert into tbl_Employees values ('Mitu''Pradhan','Delhi''Male', 55000)  
  4. Insert into tbl_Employees values ('Jeni''Swain','Chennai''Female', 76000)  
  5. Insert into tbl_Employees values ('Adyashree''Swain','UK''Female', 49000)  
  6. Insert into tbl_Employees values ('Ram''Kumar','US''Male', 39000)  
  7. Insert into tbl_Employees values ('Jitendra''Gouad','Hydrabad''Male', 35000)  
  8. Insert into tbl_Employees values ('Dibas''Hembram','Bangalore''Male', 55000)  
Execute the above query, you should see a message, “Command(s) completed successfully.”
 
Now retrieve all data from “tbl_Employees” table.
  1. select * from tbl_Employees  
output
 
How To Find The Highest Salary in SQL Server
 

To Find The Highest Salary

 
We can simply use the Max() function as shown below.
  1. Select Max(Salary) as Salary from tbl_Employees  
OutPut
 
How To Find The Highest Salary in SQL Server
 

To Find The Lowest Salary

 
We can simply use the MIN() function as shown below.
  1. Select MIN(Salary) as Salary from tbl_Employees  
OutPut
 
How To Find The Highest Salary in SQL Server
 
To Find The Highest Salary Using Sub-Query,
  1. SELECT TOP 1 SALARY  
  2. FROM (  
  3.       SELECT DISTINCT TOP 1 SALARY  
  4.       FROM tbl_Employees  
  5.       ORDER BY SALARY DESC  
  6.       ) RESULT  
  7. ORDER BY SALARY  
OutPut
 
How To Find The Highest Salary in SQL Server

To Find The Highest Salary Using CTE,
  1. WITH RESULT AS  
  2. (  
  3.     SELECT SALARY,  
  4.            DENSE_RANK() OVER (ORDER BY SALARY DESCAS DENSERANK  
  5.     FROM tbl_Employees  
  6. )  
  7. SELECT TOP 1 SALARY  
  8. FROM RESULT  
  9. WHERE DENSERANK = 1  
OutPut
 
How To Find The Highest Salary in SQL Server
 

Conclusion

 
In this article, I explained how to find the highest salary with several ways in SQL Server with examples. I hope this article has helped you to understand this topic. Post your valuable feedback in the comments section.