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  1. SQL ISNULL (), NVL (), IFNULL () and COALESCE () Functions

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

  2. SQL NVL () Explained - Database.Guide

    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 …

  3. Oracle NVL () Function

    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 …

  4. Understanding NVL, NVL2, COALESCE, and NULLIF in SQL

    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 …

  5. SQL General Functions - GeeksforGeeks

    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 …

  6. SQL NVL - Syntax, Use Cases, and Examples | Hightouch

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

  7. NVL in SQL Explained: Simplify Null Value Handling Efficiently

    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.

  8. What is NVL in SQL? - The Tech Platform

    Aug 3, 2023 · What is NVL in SQL? In SQL, NVL (Null Value) is a function that is used to replace null values with a specified default value. It is particularly useful when dealing with expressions …

  9. What is NVL in SQL – Complete guide with example - codedamn

    Oct 28, 2023 · When diving into the realm of SQL, the NVL function stands out as a versatile tool to handle NULL values. This section will provide you with hands-on, practical examples …

  10. What Is NVL in SQL? - AEANET

    Oct 15, 2025 · NVL in SQL is a crucial function designed to handle null values, replacing them with a specified substitute. This function, pronounced “ n oo l,” allows for more robust and …