SQL NULLIF Function
Example Compare two expressions: SELECT NULLIF(25, 25); Definition and Usage The NULLIF() function returns NULL if two expressions are equal, otherwise it returns the first expression. Syntax NULLIF(expr1, expr2)
Example Compare two expressions: SELECT NULLIF(25, 25); Definition and Usage The NULLIF() function returns NULL if two expressions are equal, otherwise it returns the first expression. Syntax NULLIF(expr1, expr2)