SQL Server COALESCE() Function
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SQL Server COALESCE() Function
❮ SQL Server Functions
Example
Return the first non-null value in a list:
SELECT
COALESCE(NULL, NULL, NULL, 'W3Schools.com', NULL, 'Example.com');Try it Yourself »
Definition and Usage
The COALESCE() function returns the first non-null value in a list.
Syntax
COALESCE(val1,
val2, ...., val_n)Parameter Values
| Parameter | Description |
|---|---|
| val1, val2, val_n | Required. The values to test |
Technical Details
| Works in: | SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse |
|---|
More Examples
Example
Return the first non-null value in a list:
SELECT
COALESCE(NULL, 1, 2, 'W3Schools.com');Try it Yourself »
❮ SQL Server Functions
