有关于批量增加数据库数据的SQL语句，麻烦大牛们给点快速的SQL语句

select rownum,rownum+1,rownum+1,rownum+1,1 from dual connect by leve<100

/* Formatted on 2011/11/08 17:23 (Formatter Plus v4.8.8) */
DECLARE
   TYPE id_table IS TABLE OF app_user.ID%TYPE;
   t_id          id_table             := id_table ();
   TYPE name_table IS TABLE OF app_user.NAME%TYPE;
   t_name        name_table           := name_table ();
   TYPE loginname_table IS TABLE OF app_user.loginname%TYPE;
   t_loginname   loginname_table      := loginname_table ();
   TYPE password_table IS TABLE OF app_user.PASSWORD%TYPE;
   t_password    password_table       := password_table ();
   v_dwnm        app_user.dwnm%TYPE;
BEGIN
   v_dwnm := 'DWNM';

   FOR i IN 1 .. 2000--2000条,可以随便改
   LOOP
      t_id.EXTEND;
      t_id (t_id.COUNT) := i;
      t_name.EXTEND;
      t_name (t_name.COUNT) := 'Name' || i;
      t_loginname.EXTEND;
      t_loginname (t_loginname.COUNT) := 'Login' || i;
      t_password.EXTEND;
      t_password (t_password.COUNT) := 'Password' || i;
   END LOOP;

   FORALL ind IN t_id.FIRST .. t_id.LAST
      INSERT INTO app_user
                  (ID, NAME, loginname,
                   PASSWORD, dwnm
                  )
           VALUES (t_id (ind), t_name (ind), t_loginname (ind),
                   t_password (ind), v_dwnm
                  );
   COMMIT;
END;