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

   www.w3schools.com › Sql › func_sqlserver_nullif

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   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: SELECT NULLIF('Hello', 'Hello'); Try it Yourself » Example. Compare two expressions:

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2. stackoverflow.com › questions › 47170528sql - nullif not working - Stack Overflow

   stackoverflow.com › questions › 47170528

   8 lis 2017 · You are confusing NULLIF() and COALESCE(). Your expression is correct for preventing divide-by-zero. It is exactly the right thing to use in this situation, and it is working correctly. If you want to treat a NULL value as 1, you could do something like this: SELECT ROUND(v1 / (CASE WHEN v2 IS NULL THEN 1. WHEN v2 <> 0 THEN v2.

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

   learn.microsoft.com › en-us › sql

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   Transact-SQL syntax conventions. Syntax NULLIF ( expression , expression ) Arguments. expression Is any valid scalar expression. Return Types. Returns the same type as the first expression. NULLIF returns the first expression if the two expressions are not equal. If the expressions are equal, NULLIF returns a null value of the type of the first ...

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

   www.sqltutorial.org › sql-comparison-functions › sql-nullif

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   The NULLIF function is equivalent to the following searched CASE expression: CASE WHEN argument_1 = argument_2 THEN NULL ELSE argument_1 END;Code language:SQL (Structured Query Language)(sql) The expression returns NULL if two arguments are equal, otherwise, it returns the argument_1.

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

   database.guide › sql-nullif-explained

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   8 maj 2022 · NULLIF() evaluates the current value of the expressions. Therefore, if we pass an expression like this: SELECT NULLIF( 24, 2 * 12 ); We get this: NULL. 2 multiplied by 12 is 24, and so the two arguments are equivalent. Here’s what happens if we change the second argument: SELECT NULLIF( 24, 3 * 12 ); Result: 24. The first argument is returned.

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

   www.sqlservertutorial.net › sql-server-basics › sql-server-nullif

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   The CASE expression is verbose while the NULLIF expression is much shorter and more readable. In this tutorial, you have learned how to use the SQL Server NULLIF expression to return NULL if the first argument equals to the second one.

7. database.guide › 5-ways-to-fix-the-divide-by-zero-error-in-sql-server-msg-81345 Ways to Fix the “Divide by zero error” in SQL Server (Msg 8134)

   database.guide › 5-ways-to-fix-the-divide-by-zero-error-in-sql-server-msg-8134

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   9 sty 2022 · Below are some options for dealing with this error. Option 1: The NULLIF() Expression. A quick and easy way to deal with this error is to use the NULLIF() expression: SELECT 1 / NULLIF( 0, 0 ); Result: NULL. NULLIF() returns NULL if the two specified expressions are the same value. It returns the first expression if the two expressions are ...