摘要：
create table t_news( newsid number not null primary key, //自增字段title varchar2(50))create sequence seq_newsminvalue = 1maxvalue = 99999999increment by 1;create or replace trigger t_tri_newsbefore inser... 阅读全文
posted @ 2008-12-29 11:07 james.dong 阅读(222) 评论(0) 推荐(0) 编辑