Oracle主键自增的实现
create sequence seq_字段名_表名 minvalue 1 maxvalue 999999999999999999999999999 start with 1 increment by 1 cache 10; CREATE OR REPLACE TRIGGER tri_字段名_表名 BEFORE insert ON 表名 FOR EACH ROW begin select seq_字段名_表名.Nextval into:New.自增字段名 from dual; end;