Syntax
Purpose
ABS returns the absolute value of n.
This function takes as an argument any numeric data type or any nonnumeric data type that can be implicitly converted to a numeric data type. The function returns the same data type as the numeric data type of the argument.
See Also:
Table 2-8 for more information on implicit conversion
Examples
The following example returns the absolute value of -15:
SELECT ABS(-15) "Absolute"
FROM DUAL;
Absolute
----------
15