Eu uso o procedimento print_table de Tom Kyte
Por exemplo:
SQL> exec print_table('select * from emp where empno=7839')
EMPNO : 7839
ENAME : KING
JOB : PRESIDENT
MGR :
HIREDATE : 17-nov-1981 00:00:00
SAL : 100
COMM : 500
DEPTNO : 10
-----------------
PL/SQL procedure successfully completed.
