Nested For loop
SQL> SQL> declare-- ww w. j av a 2 s . c om 2 v_main_nr NUMBER; 3 begin 4 for main_c in 0..5 5 loop 6 v_main_nr := main_c * 5; 7 8 for inner_c in 1..4 9 loop 10 DBMS_OUTPUT.put_line(v_main_nr); 11 end loop; 12 end loop; 13 end; 14 / 0 0 0 0 5 5 5 5 10 10 10 10 15 15 15 15 20 20 20 20 25 25 25 25 PL/SQL procedure successfully completed. SQL>