MS Access IsNull() Function
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MS Access IsNull() Function
❮ MS Access Functions
Example
Check whether the expression is a Null value:
SELECT IsNull(null);Try it Yourself »
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 |
|---|
More Examples
Example
Return TRUE if the expression is a null value, otherwise FALSE:
SELECT IsNull("Hello");Try it Yourself »
Example
Return TRUE if the expression is a null value, otherwise FALSE:
SELECT IsNull(0);Try it Yourself »
❮ MS Access Functions