摘要: create view IS_student as select sno,sname,sage from student where sdept='IS' with check option; 加上了with check option;后,不能执行插入操作: insert into is_student values('95100','李娜',12) 什么原因?不加上with... 阅读全文
posted @ 2009-08-12 11:31 meil 阅读(6639) 评论(0) 推荐(0) 编辑
摘要: % Dim dic Set dic = CreateObject("Scripting.Dictionary") '创建键值对对象 dic.Add "1","Athens" ' 添加键值和键值内容. dic.Add "2","Belgrade" dic.Add "3", "Cairo" 阅读全文
posted @ 2009-08-12 11:27 meil 阅读(1590) 评论(0) 推荐(0) 编辑