!= (bangeq sign) operator

Returns true if expr1 does not equal expr2, or false otherwise.

Syntax

expr1 != expr2

Arguments

  • expr1: An expression of any comparable type.

  • expr2: An expression that shares a least common type with expr1.

Returns

A BOOLEAN.

This function is a synonym for <> (lt gt sign) operator.

Examples

> SELECT 2 != 2;
 false
> SELECT 3 != 2;
 true
> SELECT 1 != '1';
 false
> SELECT true != NULL;
 NULL
> SELECT NULL != NULL;
 NULL