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  1. www.w3schools.com › Sql › func_sqlserver_nullifSQL Server NULLIF() Function - W3Schools

    Example. Compare two expressions: SELECT NULLIF(25, 25); Try it Yourself » Definition and Usage. The NULLIF () function returns NULL if two expressions are equal, otherwise it returns the first expression. Syntax. NULLIF (expr1, expr2) Parameter Values. Technical Details. More Examples. Example. Compare two expressions:

  2. hightouch.com › sql-dictionary › sql-nullifSQL NULLIF - Syntax, Use Cases, and Examples | Hightouch

    You would use the SQL NULLIF function when you want to replace a value with NULL in your query result if it matches a specified condition. NULLIF is particularly useful when you need to handle equality as a distinct case, such as when you want to hide or suppress certain results in your query.

  3. www.sqltutorial.org › sql-comparison-functions › sql-nullifSQL NULLIF Function: Usage of a Handy SQL Control Flow ... - SQL...

    This tutorial introduces you to the SQL NULLIF function and shows you how to add the if-else condition to your SQL queries.

  4. www.databasestar.com › sql-nullifSQL NULLIF Function Explained with Examples - Database Star

    10 cze 2023 · The SQL NULLIF function lets you compare two values and determine if they match or not: Match? The function will return NULL. Don’t match? The function will return the first value. Syntax and Parameters. The syntax of the SQL NULLIF function is: NULLIF (expr1, expr2) The parameters of the NULLIF function are:

  5. learn.microsoft.com › en-us › sqlNULLIF (Transact-SQL) - SQL Server | Microsoft Learn

    The following example creates a budgets table, loads data, and uses NULLIF to return a null if current_year is null or contains the same data as previous_year.

  6. www.sqlservertutorial.net › sql-server-basics › sql-server-nullifSQL Server NULLIF

    SQL Server NULLIF examples. Let’s take some examples of using the NULLIF expression. Using NULLIF expression with numeric data examples. This example returns NULL because the first argument equals the second one: SELECT NULLIF (10, 10) result; Code language: SQL (Structured Query Language) (sql) Here is the output:

  7. database.guide › sql-nullif-explainedSQL NULLIF() Explained - Database.Guide

    8 maj 2022 · NULLIF() is a SQL-standard feature (it’s included in the ISO/IEC 9075 specification). Syntax. The syntax goes like this: NULLIF (V1, V2) This is equivalent to the following CASE expression: CASE WHEN V1=V2 THEN NULL ELSE V1 END Example. Here’s an example to demonstrate: SELECT NULLIF( 12, 12 ); Result: NULL

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