Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind SQL Server SUM() Function?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
___ SUM(Quantity) AS TotalItemsOrdered FROM OrderDetails;3Order
Put the learning moves in the order that makes the concept easiest to apply.
The SUM() function calculates the sum of a set of values.
Definition and Usage
SQL Server SUM() Function
Example
SELECT SUM(Quantity) AS TotalItemsOrdered FROM OrderDetails;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 |
|---|