SQL>
SQL> declare l_tmp char(1);
2 l_start number := dbms_utility.get_time;
3 begin
4 select * into l_tmp from dual;
5 dbms_output.put_line( round( (dbms_utility.get_time-l_start)/100, 2 )||' seconds' );
6 end;
7 /
0 seconds
PL/SQL procedure successfully completed.
SQL>
SQL>