create table donationx
(idno varchar2(5), driveno varchar2(3), contdate date, contamt number(6,2));
insert into donationx
values ('11111','100','07-JAN-99',25);
insert into donationx
values ('12121','200','23-FEB-99',20);
insert into donationx
values ('23456','100','03-MAR-99',20);
insert into donationx
values ('33333','300','10-MAR-99',10);
