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
ISNULL (Transact-SQL) - SQL Server | Microsoft Learn
Sep 3, 2024 · ISNULL ( check_expression , replacement_value ) Arguments check_expression. The expression to be checked for NULL. check_expression can be of any type. …
SQL Server ISNULL Function
The ISNULL() function returns the replacement if the expression evaluates to NULL. Before returning a value, it implicitly converts the type of replacement to the type of the expression if …
SQL ISNULL function - SQL Shack
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. In …
SQL ISNULL Function Examples - SQL Server Tips
Mar 18, 2021 · You can use the ISNULL() function to specify a hard-coded value or even use another column in the table for the join condition. Below is an example that shows how you …
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. The ISNULL …
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 ISNULL Function - Tutorial Gateway
The SQL Server ISNULL function validates whether an expression is NULL or not. If it is NULL, the ISNULL function will replace them with a replacement value. Otherwise, it will return the …
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.