//(b,c,d,aa,bb)
select * from d;
insert into d values(1,2.0,'I love',1,22);
update d set bb = 19 where b = 1 and c = 2.0 and d = 'I love you';
delete from d where b = 1 and c = 2.0 and d = 'I love';
select d from d where b  between 1 and 1 and c between 2.0 and 2.0  and d between 'fedcaa' and 'fedcjj';