触发器实现自动编号

 

•

 

•create or replace trigger Trig_TestSeq

•before Insert On TestSeq

•for each row

•declare AID int;

•begin

•  select seqid.nextval into AID from dual;

•  :new.AutoID:=AID;

•end;

•－－insert into testseq(name) values('test1')

create Table TestSeq
( AutoID INT,
  Name varchar2(20)
)
create sequence SeqID
  Start with 1
  increment by 1