在sql查询结果中为TOTAL添加一行

I have a SQL table as

我有一个SQL表

empid  to_day     clock_in clock_out late_reason
001Acc 01/04/2016  9:12:08 18:33:57  Office work
001Acc 02/04/2016 10:12:08 19:33:57  Home work
001Acc 03/04/2016 11:12:08 20:33:57  Sick
001Acc 04/04/2016 10:12:08 19:53:57  Car disorder
001Acc 05/04/2016 13:12:08 19:33:57  Hospital
empid  to_da