Nov 18, 2025 · Transact-SQL reference for COALESCE, which returns the value of the first expression that doesn't evaluate to NULL.

Definition and Usage The COALESCE () function returns the first non-null value in a list. Syntax COALESCE (val1, val2, ...., val_n)

Feb 5, 2025 · This tip explores how to handle NULL values in SQL Server using the COALESCE () function using various queries and reviewing the results. Developers should code to handle NULL …

May 24, 2022 · In this article, we demonstrated several ways to use the SQL COALESCE() function. We covered how to use COALESCE() to replace NULL values, how to compute an alternative value, and …

Jul 23, 2025 · The COALESCE () function in SQL Server is used to handle NULL values effectively by replacing them with user-defined values during expression evaluation. All expressions within the …

Mar 27, 2025 · Learn how to use the SQL COALESCE () function to handle null values, combine columns, and clean up your data with real-world examples and tips.

Jan 11, 2026 · Learn the COALESCE function in SQL Server with simple examples. Understand NULL handling, syntax, calculations, WHERE usage, best practices, and interview MCQs.

It is common to encounter missing (NULL) values in a table. In real-time, dealing with NULL values in tables is very challenging, especially when performing aggregations, comparisons, or mathematical …

This tutorial shows you how to use the SQL Server COALESCE expression to deal with NULL in queries.

Sep 23, 2024 · What Is COALESCE in SQL Server? In SQL Server, COALESCE is a built-in function that returns the first non- NULL value from a list of expressions. It accepts a list of arguments, …