
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 replaces NULL with the specified replacement value.
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 …