Nov 18, 2025 · The following example uses ISNULL to replace a NULL value for Color, with the string None.

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 (expression, value)

In this tutorial, you will learn how to use the SQL Server ISNULL () function to replace NULL with a specified value.

Mar 18, 2021 · Learn about the SQL Server ISNULL function and the many ways it can be used with TSQL statements.

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 expression as it …

Jan 22, 2024 · In this SQL Server tutorial, you will learn the ISNULL function in SQL Server, allowing us to handle the null values in our table. Because handling null values is a very important aspect of data …

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 an …

SQL Server The SQL Server ISNULL () function lets you return an alternative value when an expression is NULL:

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.

Jan 31, 2024 · In this article let us discuss in detail, how to check if a column is Empty or NULL in SQL Server, with examples and different methods. Checking if a Column is Empty or NULL