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MS SQL Server - calculate average of column values and display the result with no decimals

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Created by:
Hiba-Tate
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In this article, we would like to show you how to calculate the average of column values and display the result with no decimals in MS SQL Server.

Quick solution:

SELECT CAST(AVG([column_name]) AS INT)
FROM [table_name];

Practical example

To show how to calculate the average of column values and display the result with no decimals, we will use the following table:

MS SQL Server - example data used with ROUND() function
MS SQL Server - example data used with ROUND() function

Note:

At the end of this article you can find database preparation SQL queries.

Example

In this example, we will display the average salary rounded to 0 decimal places with ROUND() function.

MS SQL Server - average salary example
MS SQL Server - average salary example

Query:

SELECT CAST(AVG([salary]) AS INT)
FROM [users];

Output:

MS SQL Server - calculate average of column values and display the result with no decimals
Results - HeidiSQL

Note:

Go to this article to read more about CAST() function - MS SQL Server - CAST() function example.

Database preparation

create_tables.sql file:

CREATE TABLE [users] (
	[id] INT IDENTITY(1,1),
	[name] VARCHAR(50) NOT NULL,
	[surname] VARCHAR(50) NOT NULL,
	[department_id] INT,
    [salary] DECIMAL(15,2) NOT NULL,
	PRIMARY KEY ([id])
);

insert_data.sql file:

INSERT INTO "users"
	( "name", "surname", "department_id", "salary")
VALUES
	('John', 'Stewart', 1, '3512.00'),
	('Chris', 'Brown', 2, '1344.00'),
	('Kate', 'Lewis', 3, '6574.00'),
	('Ailisa', 'Gomez', NULL, '6500.00'),
	('Gwendolyn', 'James', 2, '4200.00'),
	('Simon', 'Collins', 4, '3320.00'),
	('Taylor', 'Martin', 2, '1500.00'),
	('Andrew', 'Thompson', NULL, '2100.00');

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