PL/SQL table类型的使用
declare
type type_table_login_name is table of login.login_name%type index by binary_integer;
v_name type_table_login_name;
begin
v_name(0):='test';
dbms_output.put_line(v_name(0));
exception
when others then
dbms_output.put_line('error');
end;
/