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【简答题】
The author was glad that the pious lady personally taught him a great truth in thinking. A. T B. F
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【单选题】检索选修课程"C2"的学生中成绩最高的学生的学号。正确的 SELECT语句是______。
A.
SELECT S# FORM SC WHERE C# ='C2' AND GRADE > = (SELECT GRADE FORM SC WHERE C# ='C2');
B.
SELECT S# FORM SC WHERE C# ='C2' AND GRADE IN (SELECT GRADE FORM SC WHERE C# ='C2');
C.
SELECT S# FORM SC WHERE C# ='C2' AND GRADE NOT IN (SELECT GRADE FORM SC WHERE C# ='C2');
D.
SELECT S# FROM SC WHERE C# ='C2' AND GRADE > = ALL (SELECT GRADE FROM SC WHERE C# ='C2');
【简答题】执行下列程序,说出下列程序的输出结果,了解静态内部类。 class RedCowForm { static class RedCow { //静态内部类是外嵌类中的一种静态数据类型 void speak() { System.out.println("我是红牛"); } } } class BlackCowForm { public static void main(String args[]...
【单选题】有学生表S(S#,SN,SEX,AGE,DEPT),课程表C(C#,CN),学生选课表SC(S#,C#,GRADE),检索选修课程"C2"的学生中成绩最高的学生的学号,正确的SELECT语句是_________。
A.
SELECT S# FROM SC WHERE C#="C2" AND GRADE>=(SELECT GRADE FROM SC WHERE C#="C2")
B.
SELECT S# FROM SC WHERE C#="C2" AND GRADE IN(SELECT GRADE FROM SC WHERE C#="C2")
C.
SELECT S# FROM SC WHERE C#="C2" AND GRADE NOT IN(SELECT GRADE FROM SC WHERE C#="C2")
D.
SELECT S# FROM SC WHERE C#="C2" AND GRADE>=ALL
【简答题】什么是电视新闻片配音?其特点有哪些?
【单选题】检索选修课程"C2” 的学生中成绩最高的学生的学号。正确的SELECT语句是( )
A.
SELECT S# FROM SC WHERE C#='C2' AND GRADE>=(SELECT GRADE FROM SC WHERE C#=C2)
B.
SELECT S# FROM SC WHERE C#=’C2’ AND GRADE IN (SELECT GRADE FROM SC where C#='C2’)
C.
SELECT S# FROM SC WhERE C#=’C2’ AND GRADE NOT IN (SELECT GRADE GORM SC WHERE C#='C2’)
D.
SELECT S# FROM SC Where C#='C2' AND GRADE>=ALL (SELECT GRADE FROM SC WHERE C#='C2)
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