--创建序列
create sequence seq_qjt
create table dept
(
deptno number primary key not null,
deptname nvarchar2(32)
) tablespace qjttest
insert into dept values(1,‘开发部‘)
select * from dept
insert into dept values(seq_qjt.nextval,‘傻叉部‘)
原文：http://www.cnblogs.com/s1297-lgy/p/7541438.html