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SQL Server SUM() Function

❮ SQL Server Functions

Example

Return the sum of the "Quantity" field in the "OrderDetails" table:

SELECT SUM(Quantity) AS TotalItemsOrdered FROM OrderDetails;
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Definition and Usage

The SUM() function calculates the sum of a set of values.

Note: NULL values are ignored.

Syntax

SUM(expression)

Parameter Values

Parameter Description
expression Required. A field or a formula

Technical Details

Works in: SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse

❮ SQL Server Functions