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

    The NULLIF() function returns NULL if two expressions are equal, otherwise it returns the first expression. Syntax

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

    The SQL NULLIF function is used to compare two expressions or values and return NULL if they are equal. It provides a way to handle specific cases where you want to treat equality as a special condition by substituting it with a NULL value.

  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. stackoverflow.com › questions › 68654394Nested NULLIF (Assign value of a column to null if (condition A)...

    4 sie 2021 · I want to SELECT column C1 in a way that it converts empty values and N/A to NULL using NULLIF. | C1 |. -------. |NULL |. |NULL |. |apple|. We can do NULLIF(C1, '') which gives NULL if the column value is empty.

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

    NULLIF is equivalent to a searched CASE expression in which the two expressions are equal and the resulting expression is NULL. We recommend that you not use time-dependent functions, such as RAND(), within a NULLIF function.

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

    SQL Server NULLIF expression overview. The NULLIF expression accepts two arguments and returns NULL if two arguments are equal. Otherwise, it returns the first expression. The following shows the syntax of the NULLIF expression: NULLIF(expression1, expression2) Code language: SQL (Structured Query Language) (sql)

  7. dev.to › moh_moh701 › -handling-null-values-in-sql-a-guide-to-isnull-nullif-andHandling NULL Values in SQL: A Guide to `ISNULL`, `NULLIF`, and...

    16 mar 2024 · SQL provides several functions to handle these values more gracefully, allowing for cleaner data presentation and more robust calculations. In this article, we'll explore how to use ISNULL, NULLIF, and COALESCE with practical examples.

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