NULLIF

Description

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

Sample Source Pattern

Syntax

SQL Server

ISNULL ( check_expression , replacement_value )  

Snowflake SQL

Snowflake SQL Documentation

NULLIF( <expr1> , <expr2> )

Examples

SQL Server

Code:

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

Result:

RESULT1|RESULT2|
-------+-------+
      6|   NULL|

Snowflake SQL

Code:

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

Result:

RESULT1|RESULT2|
-------+-------+
      6|   NULL|