Cursors in oracles

declare
cursor testv is
select code_combination_id,account_type
from gl_code_combinations;
Type rec_gl_periods is Record(ccid gl_code_combinations.code_combination_id%Type,
descr gl_code_combinations.account_type%Type
);
recs rec_gl_periods;
testrow testv%rowtype;
begin
open testv;
loop
fetch testv into testrow;
exit when testv%notfound;
message (testrow.code_combination_id);
message(testrow.account_type);

end loop;
null;
end;