A lecture hall is()where students attend lectures.
第1题:
根据SQL标准,下面哪条语句与select min(age) from student等效?()
A select age from student where age >= min(age)
B select distinct age from student where age >= all min(age)
C select distinct a.age from student a where a.age<= any (select distinctb.age from student b)
D select distinct a.age from student a where a.age<= all (select distinct b.age from student b)
第2题:
对于数据表:student(sno,sname,sex,age,grade),查询学习成绩为空的学生的学号和姓名,下面语句正确的是______。
A.SELECT sno,sname FROM student WHERE gade=NULL
B.SELECT sno,sname FROM student WHERE grade IS NULL
C.SELECT sno,age FROM student WHERE grade IS NULL
D.SELECT mo,age FROM student WHERE grade=NULL
第3题:
Where can the visitors learn about the subjects for new student?
A. In the school hall.
B. In the science labs.
C. In the classrooms.
第4题:
“The student” in the sentence “The student liked the linguistic lecture”, and “The linguistic lecture” in the sentence “The linguistic lecture liked the student.” belong to the same syntactic category.
A对
B错
第5题:
A lecture hall is()where students attend lectures.
Athere
Bwhich
Cone
Dthat
第6题:
要找出籍贯是湖北或湖南的学生的姓名和性别,下述SQL语句正确的有哪三项()。
第7题:
“The student” in the sentence “The student liked the linguistic lecture.”,and “The linguistic lecture” in the sentence “The linguistic lecture liked the student.”belong to the same syntactic category.
第8题:
数据库中有一张表名称为Student,有列Number,Name,Age,IDCard,Sex。主键为Number。要求查询所有男同学信息,下列哪个SQL语句是正确的?()
第9题:
查询名字中第2个字为“阳”的学生的姓名和学号,正确的是()
第10题:
对
错
第11题:
that
one;
which
第12题:
SELECT MAX (gpa) FROM student _ grades WHERE gpa IS NOT NULL;
SELECT (gpa) FROM student _ grades GROUP BY semester_end WHERE gpa IS NOT NULL;
SELECT MAX (gpa) FROM student _ grades WHERE gpa IS NOT NULL GROUP BY semester_end;
SELECT MAX (gpa) GROUP BY semester_end WHERE gpa IS NOT NULL FROM student _ grades;
SELECT MAX (gpa) FROM student _ grades GROUP BY semester_end WHERE gpa IS NOT NULL;
第13题:
根据SQL标准,要查询表student中所有年龄age小于所有学生的平均年龄的记录,下面哪条语句适用?()
A select * from student where age< avg(age)
B select * from student having age< avg(age)
C select * from student a where a.age< (select avg(b.age) from student b)
D select * from student a where (select avg(b.age) from student b ) >= a.age
第14题:
使用SQL语句从表STUDENT中查询所有姓王的同学的信息,正确的命令是:______。
A.SELECT*FROM STUDENT WHERE LEFT(姓名,2)=“王”
B.SELECT*FROM STUDENT WHERE RIGHT(姓名,2)=“王”
C.SELECT*FROM STUDENT WHERE TRIM(姓名,2)=“王”
D.SELECT*FROM STUDENT WHERE STR(姓名,2)=“王”
第15题:
“The student” in the sentence “The student liked the linguistic lecture.”,and “The linguistic lecture” in the sentence “The linguistic lecture liked the student.”belong to the same syntactic category.
A对
B错
第16题:
A lecture hall is()where students attend lectures.
Athat
Bone;
Cwhich
第17题:
“The student” in the sentence “The student liked the linguistic lecture”, and “The linguistic lecture” in the sentence “The linguistic lecture liked the student.” belong to the same syntactic category.
第18题:
A lecture hall is()where students attend lectures.
第19题:
查询student表中的所有非空email信息,以下语句正确的是()。
第20题:
查询student表中的所有非空email信息,以下语句正确的是()
第21题:
At a doctor’s office.
In a biology lab.
At a radio station.
In a lecture hall.
第22题:
there
which
one
that
第23题:
对
错
第24题:
complaining to
arguing with
speaking to
consulting with