ABS
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