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MS SQL Server - SUM() function example
0
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In this article, we would like to show you how to use SUM()
function in MS SQL Server.
Quick solution:
SELECT SUM([column_name]) FROM [table_name];
Practical example
To show how the SUM()
function works, we will use the following table:
Note:
At the end of this article you can find database preparation SQL queries.
Example
In this example, we will display the sum of values in salary
column.
Query:
SELECT SUM([salary]) FROM [users];
Output:
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');