【单选题】Would you like to join me for a quick lunch before class? () but I promised Tom to go out with him.
【简答题】My name is Martin, and I am in London. I like to be busy after school. I can always find some interesting things to do. I come to a new school this term. This school has many clubs and I want to join ...
【单选题】— Would you like to join us in the game? — , for I have something important to attend to. [ ]
【单选题】关于视图,不正确的是( )
C.
视图对应的基本表中的数据发生变化,不会影响从视图中查询出相应数据的结果
【单选题】I would like to join a music club because I want to practice _____ songs. [ ]
【单选题】关于视图不正确的是
D.
视图不需要授权给其他用户,因数视图在定义时就可以保护数据隐私了。