--1. create table satisfaction( id number(10) primary key, /*主键,自动增加*/ mobile varchar2(20) ); --2. CREATE SEQUENCE Satisfaction_Sequence INCREMENT BY 1 -- 每次加几个 START WITH 1 -- 从1开始计数 NOMAXVALUE -- 不设置最大值 NOCYCLE -- 一直累加,不循环 CACHE 10; --3. CREATE TRIGGER satisfaction BEFORE insert ON satisfaction FOR EACH ROW begin select Satisfaction_Sequence.nextval into:New.id from dual; end; --4. select * from satisfaction where mobile='16630114021'; delete from satisfaction --5. insert into satisfaction(mobile) values('16630114021')
refurl:http://blog.csdn.net/icandoeverything/article/details/4019846