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  1. W3School
    https://www.w3schools.com › SQL › func_sqlserver_isnull.asp

    SQL Server ISNULL() Function - W3Schools

    The ISNULL() function returns a specified value if the expression is NULL. If the expression is NOT NULL, this function returns the expression. Syntax

    • Try It Yourself

      Edit the SQL Statement, and click "Run SQL" to see the result.

    • Isnumeric

      Isnumeric - SQL Server ISNULL() Function - W3Schools

    • Nullif

      Nullif - SQL Server ISNULL() Function - W3Schools

    • Coalesce

      Coalesce - SQL Server ISNULL() Function - W3Schools

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      W3Schools offers free online tutorials, references and exercises in all the major …

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  2. Microsoft Learn
    https://learn.microsoft.com › en-us › sql › t-sql...

    ISNULL (Transact-SQL) - SQL Server | Microsoft Learn

    • Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse An…
      Replaces NULL with the specified replacement value.
    See more on learn.microsoft.com
  3. SQL Server Tips
    https://www.mssqltips.com › sqlservertip …

    SQL ISNULL Function Examples - MSSQLTips.com

    Mar 18, 2021 · The built in system functions in Microsoft SQL Server are used to perform system operations and return information about objects or settings in …

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    • SQL Server Tutorial
      https://www.sqlservertutorial.net › sql-server...

      SQL Server ISNULL Function

      The SQL Server ISNULL() function replaces NULL with a specified value. The following shows the syntax of the ISNULL() function: ISNULL(expression, replacement) Code language: SQL …

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      • Simple SQL Tutorials
        https://simplesqltutorials.com › sql-server-isnull

        SQL Server ISNULL: Explained with Examples

        Mar 24, 2024 · The ISNULL function in SQL Server is meant to be an error-handling tool of sorts. It's meant to return a non-NULL value in places where NULL may occur.

      • SQL Shack
        https://www.sqlshack.com

        SQL ISNULL function - SQL Shack

        May 10, 2019 · The SQL Server ISNULL function returns the replacement value if the first parameter expression evaluates to NULL. SQL Server converts the data type of replacement …

      • codingeasypeasy.com
        https://www.codingeasypeasy.com › blog › sql-server...

        SQL Server ISNULL() Function: Comprehensive Guide with Examples

        Oct 27, 2024 · Learn how to use the SQL Server ISNULL() function to effectively handle NULL values in your queries. This comprehensive guide covers syntax, examples, and best practices …

      • Database.Guide
        https://database.guide › how-to-replace-null-with...

        How to Replace NULL with Another Value in SQL Server – ISNULL()

        May 30, 2018 · ISNULL() is a T-SQL function that allows you to replace NULL with a specified value of your choice. Here’s a basic query that returns a small result set: Result: We can see …

      • sqltutorial.net
        https://www.sqltutorial.net › isnull.html

        ISNULL - SQL Tutorial

        In SQL Server, the ISNULL function is used to replace NULL values with a specified replacement value. It is a convenient way to handle NULLs in SQL queries and expressions. The ISNULL …

      • Medium
        https://medium.com › @esegui

        ISNULL in SQL Server (and other NULL functions)

        Feb 22, 2023 · Here’s an example of using the ISNULL function: In this example, the FirstName and LastName columns from the Employees table are checked for NULL values. If either column contains a NULL value,...

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