Example
SELECT IsNull(null);Definition and Usage
The IsNull() function checks whether an expression contains Null (no data).
This function returns a Boolean value. TRUE (-1) indicates that the expression is a Null value, and FALSE (0) indicates that the expression is not a Null value.
Syntax
IsNull(
expression
)Parameter Values
| Parameter | Description |
|---|---|
| expression | Required. The value to test |
Technical Details
| Works in: | From Access 2000 |
|---|