ABS function - Amazon Redshift
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

ABS function

ABS calculates the absolute value of a number, where that number can be a literal or an expression that evaluates to a number.

Syntax

ABS(number)

Arguments

number

Number or expression that evaluates to a number. It can be the SMALLINT, INTEGER, BIGINT, DECIMAL, FLOAT4, FLOAT8, or SUPER type.

Return type

ABS returns the same data type as its argument.

Examples

To calculate the absolute value of -38, use the following example.

SELECT ABS(-38); +-----+ | abs | +-----+ | 38 | +-----+

To calculate the absolute value of (14-76), use the following example.

SELECT ABS(14-76); +-----+ | abs | +-----+ | 62 | +-----+