I have executed the following insert statements:
insert into Cars (idCar,name) values ('1','Audi')
insert into Cars (idCar,name) values ('2','Peugeot')
insert into Cars (idCar,name) values ('3','Mercedes')
insert into Rent (idRent ,idCar,name,date) values ('1','1','Dan','02/11/2009')
insert...