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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.
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11 lut 2020 · In SQL Server we can use IsNull() function to check whether expression value is null or not. For ex. Select IsNull(sum(amount),0) as TotalAmount From Payments
This MSAccess tutorial explains how to use the Access IsNull function with syntax and examples. The Microsoft Access IsNull function returns TRUE if the expression is a null value. Otherwise, it returns FALSE.
Try: NZ (MaritalStatus,"SINGLE") From Nz Function in the documentation: You can use the Nz function to return zero, a zero-length string (" "), or another specified value when a Variant is Null.
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.
C has the following conditional statements: Use ifto specify a block of code to be executed, if a specified condition is true. Use elseto specify a block of code to be executed, if the same condition is false. Use else ifto specify a new condition to test, if the first condition is false.
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.
