以下为修改名为view2视图的部分SQL语句:_______ view view2 as……横线处请填空,全部小写。
举一反三
- 以下为删除名为view1视图的SQL语句: ______ view view1; 横线处填空,全部小写。
- 以下代码: <block wx:if="{{true}}"> <view>view1</view> <view>view2</view> </block> 的输出结果为
- 以下代码:block wx:if={{true}} viewview1/view viewview2/view/block的输出结果为( ) A: view1 B: view2 C: view1和view2 D: 没有输出
- 现有SQL语句视图的命令是( ) A: CREATE VIEW B: MODIFY VIEW C: CREATE SQL VIEW D: MODIEY SQL VIEW
- 下面定义视图的SQL语句,哪一个是错误的?( ) A: create view VIEW1 as select id,name,sex from users B: create view VIEW2 as select count(*) as studentTotal,classname from student C: create view VIEW3 as select name,price from D: create view VIEW4 as select logdate,price,1.1*parice as ‘涨价’ from shop