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________ exchange student from Spain is ________ university student.
A.n; an B.The; a C.The; an D.The; the
答案
For ease of data entry into a university database, 1 denotes that the student is an undergraduate and 2 indicates that the student is a graduate student. In this case data are（）
A.categorical B.quantitative C.either categorical or quantitative D.neither categorical nor quantitative
答案
What is the_____(比例) of male student to female student in your department?
答案
若对STUDENT表执行DELETE FROM STUDENT或DROP TABLE STUDENT命令，下列描述中正确的是（）
A.DELETE命令和DROP命令都删除了STUDENT表 B.DELETE命令和DROP命令都只删除了STUDENT表中的全部数据 C.DELETE命令刪除了STUDENT表中的全部数据，DROP命令删除了STUDENT表 D.DROP命令删除了STUDENT表中的全部数据，DELETE命令删除了STUDENT表
答案
You need to design a student registration database that contains several tables storing academic information. The STUDENTS table stores information about a student. The STUDENT_GRADES table stores information about the student's grades. Both of the tables have a column named STUDENT_ID. The STUDENT_ID column in the STUDENTS table is a primary key. You need to create a foreign key on the STUDENT_ID column of the STUDENT_GRADES table that points to the STUDENT_ID column of the STUDENTS table. Which statement creates the foreign key?（）
A.REATE TABLE student_grades (student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), CONSTRAINT student_id_fk REFERENCES (student_id) FOREIGN KEY student (student_id)); B.REATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id)); C.REATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), CONSTRAINT FOREIGN KEY (student_id) REFERENCES student (student_id)); D.REATE TABLE student_grades(student_id NUMBER(12),semester_end DATE, gpa NUMBER(4,3), CONSTRAINT student_id_fk FOREIGN KEY (student_id) REFERENCES students (student_id));
答案
student（）
A.教师 B.学生 C.爸爸
答案
下述代码执行后，有几个引用变量和几个对象？ Student stu = new Student(“Mike”); Student stua; Stua = stu;
答案
He is a student of great intelligence and diligence. _______,he is a top student in the class.
A. Undoubtedly B.Fortunately C. Nevertheless D. In spite
答案
"SELECT Student.姓名,Scores.成绩 FROM Student INNER JOIN Scores ON Student.学号=Scores.学号"语句的意思是（）
A.连接查询Student表和Scores表 B.复制Student表 C.复制Scores表 D.这是一条错误语句，毫无意义
答案
is no power like ______ powerof confidence, and there is no student as competitive as ______ student who trusts his own abilities
A.enabling B.having enabled C.to enable D.to have enabled
答案
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Student or work？
—Is she a student—____（）
He is a student of ___________.
The student thought that _______.
Tonny is the best student of the three. In other words, he is _______ student than the other two.
is no power like _____ power of confidence, andthere is no student as competitive as _____ student who trusts his ownabilities.
is no power like ______ powerof confidence, and there is no student as competitive as ______ student who trusts his own abilities.
SELECT sno，sname，sdept FROM student，代表以student表为范本，创建视图。()
在Python中变量student和Student是同一个变量。()
ge student the way
Tony is ________ student.
Every student in the class
Learning asks a student to be ________.
Helen__ a student（）
A （） student can learn （）。
class Student: name="xxx" @staticmethod def show(): print(name) s=Student() s.show() 结果：
从学生表 Student 中删除所有数据的语法是 DROP FROM Student。
select count（*） from student和select count（id） from student之间的区别是什么？
It is difficult to conclude what a(n) ________ student does in his spare time because every student has different interests.
The student’s behavior cost the teacher a steepless night He never thought his student ______ computer games for a whole class
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