create or replace trigger trigger_EqPic_insert
before insert on TB_EqPic
for each row
declare
begin
select SEQ_EqPic.nextval into :new.EQPIC_ID from dual;
end trigger_EqPic_insert;
别忘了分号
Warning: 执行完毕, 但带有警告 trigger trigger_EqPic_insert 已编译。
原文：http://www.cnblogs.com/mingjing/p/5099821.html