Negate

The negate operator ( - ) returns the negative value of an operand. Negate is a unary operator: it acts on a single operand.

INTERVAL Type

INTERVAL can be negated in various ways, as shown in the following examples:

- INTERVAL '1' DAY

INTERVAL '-1' DAY

INTERVAL -'1' DAY

Other Data Types

Negate can be applied to the following data types: BIGINT, DECIMAL, FLOAT, INTEGER, INTERVAL, NULL, NUMERIC, REAL, SMALLINT, STRING, and TINYINT.

Negate does not change the operand’s data type.