SQL>
SQL> set serveroutput on
SQL> begin
2 dbms_output.put_line( 'One' );
3 dbms_output.put_line( 'Two' );
4 dbms_output.enable;
5 dbms_output.put_line( 'Three' );
6 end;
7 /
One
Two
Three
PL/SQL procedure successfully completed.
SQL> --