create or replace procedure t_user.test_v
as
v_row number := 0;
begin
   select 1 into v_row
    from dual 
     where exists 
          (select null
            from dba_views
             where view_name = 'TEST_V'
              and  owner     = 'TEST');
       dbms_output.put_line(v_row);
end; 

select 1 
    from dual 
     where exists 
          (select null
            from dba_views
             where view_name = 'TEST_V'
              and  owner     = 'TEST');