摘要：
create table liu(a varchar2(20),b number(2))alter table liu rename to jinrename jin to caialter table cai add c varchar2(30)alter table cai add (d varchar2(30),e number(4))alter table cai rename colum... 阅读全文
posted @ 2010-09-25 10:00 linFen 阅读(640) 评论(0) 推荐(0) 编辑