ISNULL (Transact-SQL) - SQL Server | Microsoft Learn
Nov 18, 2025 · The following example uses ISNULL to replace a NULL value for Color, with the string None.
SQL Server ISNULL () Function - W3Schools
Definition and Usage The ISNULL () function returns a specified value if the expression is NULL. If the expression is NOT NULL, this function returns the expression. Syntax ISNULL …
SQL Server ISNULL Function
In this tutorial, you will learn how to use the SQL Server ISNULL () function to replace NULL with a specified value.
SQL ISNULL Function Examples - SQL Server Tips
Mar 18, 2021 · Learn about the SQL Server ISNULL function and the many ways it can be used with TSQL statements.
SQL Server ISNULL Function - Replace NULL Values
The ISNULL() function returns the input expression value if it is not a NULL. In the following example, the given expression 'SQL Server' is not a null value and hence ISNULL returns the …
SQL Server: ISNULL Function - TechOnTheNet
This SQL Server tutorial explains how to use the ISNULL function in SQL Server (Transact-SQL) with syntax and examples. In SQL Server (Transact-SQL), the ISNULL function lets you return …
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.
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.
Understanding the ISNULL () Function in SQL Server
Dec 11, 2023 · The ISNULL () function in SQL Server is a powerful tool for handling NULL values. It can be used in various scenarios, such as converting NULL values in SELECT queries, …
SQL ISNULL function
May 10, 2019 · We can use SQL ISNULL to replace existing NULL values with a specific value. For example, we want to return Employee salary 10,000 if it is NULL in the Employee table.