【简答题】材料分析题 材料一: 2009年1月27日,我国第一个南极内陆科学考察站——昆仑站(77°06′58″E,80°25′01″S),在南极内陆冰盖的最高点冰穹A地区胜利建成。这是我国继长城站(62°13′S,58°57′W)和中山站(69°22′S,76°22′E)之后,建立的第三个南极考察站。 材料二: 见图 (1)在图中左上角弧线上,画出表示地球自转方向的箭头。 (2)南极地区是一个自然资源的“...
【单选题】将数据库 student 更名为 stu的SQL语句 是( )。
A.
Exec sp_renamedb stu,student
B.
Exec sp_rename stu,student
C.
Exec sp_renametable stu,student
D.
Exec sp_renamedb student,stu
【简答题】阅读理解。 Listen carefully, working people, we would like to tell you something that could save your precious time and money! Best of all, it is free! It's 'no'. What do you ask? We'll say it again:'No'. ...
【单选题】如果在创建表中建立字段“身份证号码”,并要求用数字表示,其数据类型应当是( )
【简答题】阅读理解。 Listen carefully, working people, we would like to tell you something that could save your precious time and money! Best of all, it is free! It's 'no'. What do you ask? We'll say it again:'No'. ...
【多选题】发表权的重点是公之于众,可以通过下列方式实现: