SQL> --ROUND(x [, y]) Returns the result of rounding x an optional
SQL> -- y decimal places. If y is omitted, x is
SQL> -- rounded to zero decimal places. If y is
SQL> -- negative, x is rounded to the left of the
SQL> -- decimal point.
SQL>
SQL> select ROUND(5.75) from dual;
ROUND(5.75)
-----------
6
SQL>