【多选题】中美贸易摩擦的演变历程下列观点正确的有( )。
A.
早期阶段的中美贸易摩擦内容较为单一,数量不多
C.
中国入世以后中美两国在宏观经济领域的争端不断增多
D.
受 2008 年金融危机的影响,尤其是美国政府的财政危机、贸易赤字和贫富不均等问题的加剧,诱发新时期中美贸易摩擦增多
【单选题】现有学生住处表Student_info,其中包括姓名(stu_name),学号(stu_id),成绩(stu_grade)。我们需要查询成绩为80分的学生姓名,要求结果按照学号降序排列。下面查询语句正确的是()。
A.
SELECT stu_name FROM student_info Where stu_grade=80 ORDER BY stu_id ASC;
B.
SELECT stu_name FROM student_info WHERE stu_grade=80 ORDER BY stu_id DESC;
C.
SELECT stu_id,stu_name FROM student_info WHERE stu_grade=80 ORDER BY stu_name ASC;
D.
SELECT stu_name FROM student_info WHERE stu_grade LIKE 80 ORDER BY stu_id DESC;
【单选题】在SQl Server数据库中,现有student_info(学生)表,其中包括字段:stu_name(姓名,varcher型),stu_id(学号,int型),stu_grade(成绩,int型).现在需要查询成绩为80分的学生姓名,并且结果按照学号降序排列。下面查询语句正确的是( )。
A.
Select stu_name from student_info where stu_grade=80 order by stu_id desc
B.
Select stu_name from student_info where stu_grade=80 order by stu_id
C.
Select stu_name from student_info where stu_grade like 80 group by stu_id
D.
Select stu_name from student_info where stu_grade=80 order by stu_id asc
【判断题】自营性电子商务平台中能够减少交易前后买卖双方的不诚信问题
【单选题】现有student_info(学生)表,其中包括字段:stu_name(姓名,varcher型),stu_id(学号,int型),stu_grade(成绩,int型).现在需要查询成绩为80分的学生姓名,并且结果按照学号降序排列。下面查询语句正确的是( )
A.
Select stu_name from student_info where stu_grade=80 order by stu_id desc
B.
Select stu_name from student_info where stu_grade=80 order by stu_id
C.
Select stu_name from student_info where stu_grade like 80 group by stu_id
D.
Select stu_name from student_info where stu_grade=80 order by stu_id asc
【单选题】在SQL2008数据库中,现有student_info(学生)表,其中包括字段:stu_name(姓名,varchar型),stu_id(学号,int型),stu_grade(成绩,int型)。现在需要查询成绩为80分的学生姓名,并且结果按照学号降序排列。下面查询语句正确的是
A.
Select stu_name from student_info where stu_grade=80 order by stu_id
B.
Select stu_name from student_info where stu_grade=80 order by stu_id desc
C.
Select stu_name from student_info where stu_grade like 80 group by stu_id
D.
Select stu_name from student_info where stu_grade like 80 group by stu_id desc