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

Summary: in this tutorial, you will learn how to use the Oracle NVL() function to substitute null with a more meaningful alternative. The Oracle NVL() function allows you to replace null with a …

Jun 8, 2022 · With this syntax, we can provide any number of arguments, and NVL() will return the first non-NULL value. This syntax makes NVL() a synonym for COALESCE() (which …

NVL lets you replace null (returned as a blank) with a string in the results of a query. If expr1 is null, then NVL returns expr2. If expr1 is not null, then NVL returns expr1. The arguments expr1 …

Dec 9, 2024 · Handling NULL values effectively is a common challenge in SQL. Functions like NVL, NVL2, COALESCE, and NULLIF offer powerful ways to manage NULL values and …

Aug 8, 2024 · In SQL, NVL () converts a null value to an actual value. Data types that can be used are date, character and number. The data type must match with each other i.e. expr1 and …

May 3, 2025 · The NVL function in SQL replaces NULL values with a default. Learn how to use it, understand the syntax, and see how it compares to COALESCE for SQL queries.

The complete guide to SQL NVL. Learn the syntax, parameters, use cases and find practical examples in the Hightouch SQL Dictionary.

NVL function is used to replace NULL values in the existing table with specified value in result set. NVL function works on ORACLE database. NVL function returns numeric or string values …

Feb 26, 2025 · SQL’s NVL function replaces NULL values to optimize your dataset. In this tutorial we explain how the function works and show you examples.