Chapter 4: SQL Language Elements
4.9.2.1 ABS function (ODBC compatible)
Syntax
ABS ( expression )
Description
The scalar function ABS computes the absolute value of expression.
Example
SELECT ABS (MONTHS_BETWEEN (SYSDATE, order_date))
FROM orders
WHERE ABS (MONTHS_BETWEEN (SYSDATE, order_date)) > 3 ;
Notes
- The argument to the function must be of type TINYINT, SMALLINT, INTEGER, NUMERIC, REAL or FLOAT.
- The result is of type NUMERIC.
- If the argument expression evaluates to null, the result is null.