set serverout on
set serveroutput on size 1000000
declare
v_tab_name varchar2(100);
cursor empCur is  select table_name from user_tables;
n_lows number;
v_sql varchar2(1000);
begin
  open empCur;
  
   loop
    fetch empCur into v_tab_name;
    v_sql:='select count(1) from '||v_tab_name;
    execute immediate v_sql into n_lows;
    exit when empCur%notfound; 
     DBMS_OUTPUT.PUT_LINE(v_tab_name||','||n_lows);
   end loop;
    commit;
  close empCur; 
end;