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1. stackoverflow.com › questions › 4828021Check null value in MS Access Query - Stack Overflow

   stackoverflow.com › questions › 4828021

   30 sie 2016 · 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

2. www.w3schools.com › SQl › func_msaccess_isnullMS Access IsNull() Function - W3Schools

   www.w3schools.com › SQl › func_msaccess_isnull

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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.

3. www.access-programmers.co.uk › forums › threadsUsing Like "*" or is Null in IIF Statement - Access World Forums

   www.access-programmers.co.uk › forums › threads

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   14 paź 2016 · SELECT MOCK_DATA.ISBN, MOCK_DATA.Book_Edition, MOCK_DATA.Book_name FROM MOCK_DATA WHERE (((MOCK_DATA.Book_name) Like "*" & [Forms]![Search]![Title] & "*") AND ((IsNull([Forms]![Search]![Edition]))=False) AND (([Forms]![Search]![Edition])=[Book_Edition])) OR (((MOCK_DATA.Book_name) Like "*" & [Forms]![Search]![Title] & "*") AND ((IsNull([Forms ...

4. www.access-programmers.co.uk › forums › threadsIsNull and conditional formatting - Access World Forums

   www.access-programmers.co.uk › forums › threads

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   In forms design view, select all the controls you wish to apply this conditional formatting to, select conditional formatting, chose "Expression Is" in the first drop down, Use either the Expression "[CancellationDate] Is Null" or "IsNull([CancellationDate])", without the quotes.

5. www.techonthenet.com › access › functionsMS Access: IsNull Function - TechOnTheNet

   www.techonthenet.com › access › functions

   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.

6. support.microsoft.com › en-us › officeIsNull Function - Microsoft Support

   support.microsoft.com › en-us › office

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   IsNull returns True if expression is Null; otherwise, IsNull returns False. If expression consists of more than one variable, Null in any constituent variable causes True to be returned for the entire expression. The Null value indicates that the Variant contains no valid data.

7. www.techrepublic.com › 10-tricks-for-handling-null-values-in-microsoft-access10 tricks for handling null values in Microsoft Access

   www.techrepublic.com › 10-tricks-for-handling-null-values-in-microsoft-access

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   12 paź 2006 · IsNull().For instance, the use of IsNull() in the following If statement handles a potential runtime error when null values exist: If Not IsNull(field) Then ...