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 3-10, "Implicit Type Conversion Matrix" for more information on implicit conversionThe following example returns the absolute value of -15:
SELECT ABS(-15) "Absolute" FROM DUAL; Absolute ---------- 15