== (eq eq sign) operator

Returns true if expr1 equals expr2, or false otherwise.

Syntax

expr1 == expr2

Arguments

  • expr1: An expression of any comparable type.

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

Returns

A BOOLEAN.

This function is a synonym for = (eq sign) operator.

Examples

> SELECT 2 == 2;
 true

> SELECT 1 == '1';
 true

> SELECT true == NULL;
 NULL

> SELECT NULL == NULL;
 NULL