Nov 18, 2025 · Returns a null value if the two specified expressions are equal. For example, SELECT NULLIF(4,4) AS Same, NULLIF(5,7) AS Different; returns NULL for the first column …

Definition and Usage The NULLIF () function returns NULL if two expressions are equal, otherwise it returns the first expression. Syntax NULLIF (expr1, expr2)

This tutorial introduces you to the SQL Server NULLIF expression and gives you some practical examples of using the NULLIF expression.

Jul 23, 2025 · The NULLIF () function simplifies SQL queries by reducing the need for complex conditional logic using CASE statements. It is commonly used to prevent errors such as …

The NULLIF function compares two values and returns NULL if they are equal. Here’s the syntax of the NULLIF function: The NULLIF function returns NULL if value1 equals value2. It returns …

Apr 7, 2025 · Thankfully, there are a few SQL Server functions devoted to handling NULL values. Let’s look at two of them. The first, NULLIF, will help you to return a NULL value. The second, …

This SQL Server tutorial explains how to use the NULLIF function in SQL Server (Transact-SQL) with syntax and examples. In SQL Server (Transact-SQL), the NULLIF function compares …

Jul 11, 2025 · NULLIF is used to return NULL when two expressions are equal, which is especially useful in avoiding divide-by-zero errors or simplifying conditional logic. …

The NULLIF expression in SQL Server is a useful function that allows you to compare two expressions and return a null value if they are equal. It helps you handle situations where you …

The NULLIF function in SQL is a concise yet powerful tool for handling specific data scenarios, allowing you to convert a value to NULL when it matches a specified condition. It’s like a …