Skip Headers
Oracle® OLAP Expression Syntax Reference
Release 11.2

E23381-01
Go to Documentation Home
Home
Go to Book List
Book List
Go to Table of Contents
Contents
Go to Master Index
Master Index
Go to Feedback page
Contact Us

Go to previous page
Previous
Go to next page
Next
PDF · Mobi · ePub

NULLIF

NULLIF compares one expression with another. It returns NULL when the expressions are equal, or the first expression when they are not.

Return Value

Data type of the first argument

Syntax

NULLIF(expr1, expr2)

Arguments

expr1 is the base expression. It cannot be a literal null.

expr2 is the expression to compare with the base expression.

Example

NULLIF('red', 'Red') returns the value red.