Example
SELECT ISNULL(NULL, 'ExampleSite.com');Definition and Usage
The ISNULL() function returns a specified value if the expression is NULL.
If the expression is NOT NULL, this function returns the expression.
Syntax
ISNULL(
expression
,
value
)Parameter Values
| Parameter | Description |
|---|---|
| expression | Required. The expression to test whether is NULL |
| value | Required. The value to return if expression is NULL |
Technical Details
| Works in: | SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse |
|---|