use xiketangtest
go
--删除视图
if exists (select * from sysobjects where name ='view_mytest')
drop view view_mytest
go
--创建视图
create view view_mytest
as select studentname ,studentid from students
问题描述： 打印如下图形： A B C D E B C D E A C D E A B D E A B C E A B C D 代码展示： 1 #include<stdio.h> 2 int main(){ 3 int i,j; 4 int k=0; 5 for(i=0; i<5; i++){ 6 ...
