r.updateString("name", name);
r.updateString("surname", surname);
r.updateDate("birthdate", birthDate);
r.updateString("birthplace", birthPlace);
r.updateString("nationality", nationality);
r.updateString("maritalstatus", maritalStatus);
r.updateString("username", username);
r.updateBytes("password", Utility.SHA1(password));
r.insertRow();