oracle触发器自增字段

1.创建序列

代码

-- Create sequence  create sequence seq_userinfo  minvalue 1  start with 1  increment by 1;

2.创建触发器

代码

create or replace trigger tigger_userinfo  before insert on userinfo  for each row  declare  begin  select SEQ_userinfo.nextval into:New.id from dual;  end tigger_userinfo;

原文地址：http://database.51cto.com/art/201004/196729.htm