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


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