NULLIF Expression | VantageCloud Lake - NULLIF Expression - Teradata VantageCloud Lake

NULLIF returns NULL if its arguments are equal. Otherwise, NULLIF returns its first argument, scalar_expression_1.

NULLIF is a shorthand expression for the following full CASE expression:

CASE 
 WHEN  scalar_expression_1=scalar_expression_2  
 THEN NULL
 ELSE  scalar_expression_1  
END

Default Title

The default title for a NULLIF expression appears as:

<CASE expression>

ANSI Compliance

This statement is ANSI SQL:2011 compliant.

Topics

• NULLIF Expression Syntax
• NULLIF Usage Notes
• Examples: NULLIF Expression