# 需要用管理员执行 select * from dba_sequences where sequence_owner='用户';
# ALTER SEQUENCE 序列名 INCREMENT BY 步长; ALTER SEQUENCE test_seq INCREMENT BY 100;
# select 序列名.nextval from dual; select test_seq.nextval from dual;
# select 序列名.currval from dual; select test_seq.currval from dual;