数据库设计的根本目标是要解决A.数据共享问题 B.数据安全问题 C.大量数据存储问题 发布时间:2017-06-18 19:56 │ 来源:www.tikuol.com 题型:单项选择题 问题: 数据库设计的根本目标是要解决A.数据共享问题B.数据安全问题C.大量数据存储问题D.简化数据维护
题型:单项选择题 I’m sorry I _______ your lecture yesterday, but I _____ busy recently. A missed, have been B miss, am C had missed, was D have missed, had been 查看答案