>>-ABS or ABSVAL--(--expression--)----------------------------->< |
The schema is SYSFUN.
Returns the absolute value of the argument.
The argument can be of any built-in numeric data type. If it is of type DECIMAL or REAL, it is converted to a double-precision floating-point number for processing by the function.
The result of the function is:
The result can be null; if the argument is null, the result is the null value.