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

    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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      This SQL-Statement is not supported in the WebSQL Database....

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

    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.

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

    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.

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

    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

  5. www.access-programmers.co.uk › forums › threadsIIF IsNull Expression - Access World Forums

    9 mar 2018 · I have an access query to record equipment casualty reports. There are initial dates and correct dates. I need to compute the number of days from initial date to today if the report is active, or compute the number of days from initial date to correct date if the report is closed.

  6. www.youtube.com › watchWhat is Null in Microsoft Access? How to use Is Null, Is Not Null...

    14 kwi 2022 · In this video, I'm going to teach you what Null means in Microsoft Access. We'll see how to use Is Null, Is Not Null, IsNull (), and Not IsNull (). We'll look at query criteria, functions, and...

  7. database.access-templates.com › ms-access-isnull-function-with-examples-in-sqlMS Access IsNull Function with Examples in SQL Query and VBA Code

    The syntax for IsNull function is: ( expression ) IsNull. Parameter: Expression: the required SQL statement for returning the result. The IsNull function is only valid for SQL. Unlike Is Not Null, IsNull returns True if expression is Null; otherwise, IsNull returns False. Example of IsNull function in Query: Ms Access Isnull-1

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