9i sql语句高手请进

Question

select * from a where daiHao not in ('003003001','003003003');

Answer 1

select * from a where daiHao<>'003003001' and daiHao<>'003003002'

Answer 2

where to_number(daiHao)<=3003000 or to_number(daiHao)>=3003400

Answer 3

select * from a where daihao not like '003003%' or daihao = '003003';

Answer 4

select * from tname where length(daiHao)<7;