NULLIF

Description

Returns a null value if the two specified expressions are equal. (NULLIF in Transact-SQL).

Sample Source Pattern

Syntax

SQL Server

NULLIF ( check_expression , replacement_value )  

Snowflake SQL

Snowflake SQL Documentation

NULLIF( <expr1> , <expr2> )

Examples

SQL Server

Code:

IN -> SqlServer_01.sql

SELECT NULLIF(6,9) AS RESULT1, NULLIF(5,5) AS RESULT2;

Result:

+-------+-------+
|RESULT1|RESULT2|
+-------+-------+
|6      |null   |
+-------+-------+

Snowflake SQL

Code:

OUT -> SqlServer_01.sql

SELECT
NULLIF(6,9) AS RESULT1,
NULLIF(5,5) AS RESULT2;

Result:

+-------+-------+
|RESULT1|RESULT2|
+-------+-------+
|6      |null   |
+-------+-------+