题目内容
（请给出正确答案）
A.创建一个DEFAULT约束（或默认值）
B. 创建一个CHECK约束
C. 创建一个UNIQUE约束（或唯一值）
D. 创建一个PRIMARYKEY约束（或主键）
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更多“在studentsdb数据库的student_info表录入…”相关的问题
A.创建一个DEFAULT约束（或默认值）
B.创建一个CHECK约束
C.创建一个UNIQUE约束（或唯一值）
D.创建一个PRIMARYKEY约束（或主键）
以下程序段，在空白处填写（）能使程序正确运行并输出结果。 #include ＜stdio.h＞ struct student {long num; char name[10]; char sex; float score; }; main() {struct student stu={10101,"lili",’m’,89.5},*pt; printf("%.2f",pt-＞score); }
A、*pt=stu;
B、pt=stu;
C、pt=&stu;
D、*pt=&stu;
Out______ ．
A．rushed the students B．the students rushed
C．are rushed the students D．did the students rush
A．Only one student of the department.
B．All the students of the department.
C．Some students in the department.
D．None of the above.
What is the possible relationship between Joe and Anna？
A．Close friends.
B．Teacher and student.
C．Brother and sister.
D．Classmates.
______the homework seriously.
A．No every student do
B．No every student does
C．Not every student do
D．Not every student does
Only when the teacher had turned off the light______quiet.
A．the students became
B．the students become
C．would the students become
D．did the students become
What is the possible relationship between these two speakers？
A．Friends.
B．Teacher and student.
C．Daughter and father.
The article is primarily about
A．treatment of suicidal tendencies.
B．causes of college students suicide.
C．the problem and prevention of college student suicide.
D．functions and characteristics of crisis centers.
A．The education centre.
B．The university bookstore.
C．The university library.
D．The student cafeteria.
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