下述哪些功能是数据库定义模块的基本功能 Ⅰ.数据库模式定义 Ⅱ.数据库完整性定义 发布时间:2017-06-10 13:30 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下述哪些功能是数据库定义模块的基本功能 Ⅰ.数据库模式定义 Ⅱ.数据库完整性定义 Ⅲ.数据库安全性定义 Ⅳ.存取路径定义A.仅Ⅰ、Ⅱ和B.仅Ⅰ、Ⅱ和ⅣC.仅Ⅱ、Ⅲ和ⅣD.都是
题型:单项选择题 根据句意及首字母提示,补全单词。1. He Pingguo is in Class Seven, and Li Hong is in Class Seven, too. They are in the s_____ class.2. —How do you spell it? —E-d_____ G, egg.3. Bai Lixi is from Wuhan. Her E_____ name is Lily.4. He is from Japan, but they are good f_____.5. She is in G_____ Two. 查看答案