create sequence seq_tablename start with 1 increment by 1; create or replace trigger tri_tablename_i
create sequence seq_tablename
start with 1
increment by 1;
create or replace trigger tri_tablename_insert
before insert on tablename
referencing old as old new as new
for each row
begin
select seq_tablename.nextval
into :new.ID
from dual;
end tri_tablename_insert;
--结束END--
本文标题: 通过触发器和自增序列实现oracle自增ID
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