Listento the dialogues, and then choose the best answer to each of the followingquestions. A: The woman told him it was her birthday B: An unnamed person told him about the woman’sbirthday. C: A bird told him it was the woman’s birthday. D: Someone whom the woman didn’t know told himabout the woman’s birthday.
Listento the dialogues, and then choose the best answer to each of the followingquestions. A: The woman told him it was her birthday B: An unnamed person told him about the woman’sbirthday. C: A bird told him it was the woman’s birthday. D: Someone whom the woman didn’t know told himabout the woman’s birthday.
1、查询成绩高于学号为“109”、课程号为“3-105”的成绩的所有记录。2、查询和学号为108的同学同年出生的所有学生的Sno、Sname和Sbirthday列。3、查询“张旭“教师任课的学生成绩。4、查询选修某课程的同学人数多于5人的教师姓名。5、查询95033班和95031班全体学生的记录。
1、查询成绩高于学号为“109”、课程号为“3-105”的成绩的所有记录。2、查询和学号为108的同学同年出生的所有学生的Sno、Sname和Sbirthday列。3、查询“张旭“教师任课的学生成绩。4、查询选修某课程的同学人数多于5人的教师姓名。5、查询95033班和95031班全体学生的记录。
学校教务管理数据库表结构信息如下: 学生信息表STUDENT( SNO VARCHAR(3) , SNAME VARCHAR(4) L,SSEX VARCHAR(2) , SBIRTHDAY DATETIME,CLASS VARCHAR(5)); 课程信息表COURSE(CNO VARCHAR(5) , CNAME VARCHAR(10) , TNO VARCHAR(10) ); 成绩信息表SCORE(SNO VARCHAR(3) , CNO VARCHAR(5) , DEGREE NUMERIC(10, 1) ); 教师信息表TEACHER(TNO VARCHAR(3), TNAME VARCHAR(4), TSEX VARCHAR(2) , TBIRTHDAY DATETIME, PROF VARCHAR(6), DEPART VARCHAR(10)); [br][/br] 查询至少有2名男生的班号。
学校教务管理数据库表结构信息如下: 学生信息表STUDENT( SNO VARCHAR(3) , SNAME VARCHAR(4) L,SSEX VARCHAR(2) , SBIRTHDAY DATETIME,CLASS VARCHAR(5)); 课程信息表COURSE(CNO VARCHAR(5) , CNAME VARCHAR(10) , TNO VARCHAR(10) ); 成绩信息表SCORE(SNO VARCHAR(3) , CNO VARCHAR(5) , DEGREE NUMERIC(10, 1) ); 教师信息表TEACHER(TNO VARCHAR(3), TNAME VARCHAR(4), TSEX VARCHAR(2) , TBIRTHDAY DATETIME, PROF VARCHAR(6), DEPART VARCHAR(10)); [br][/br] 查询至少有2名男生的班号。
有三个表,学生表 Stu(Sno,Sname,Ssex,Sbirthday,Sdept),字段分别表示学号,姓名,性别,出生日期,所在系,学号为主码;课程表Course(Cno,Cname)字段分别表示课程号,课程名,课程号为主码,成绩表SC(Sno, Cno,degree),字段分别表示学号,课程号,成绩,(Sno,Cno)共同为主码,分别参考Stu,Course表的主码。查询课程号是”C01””C02””CO3”的课程名的语句是? A: SELECT Cname FROM Course WHERE Cno =”C01”&&”CO2”&&”CO3” B: SELECT Cname FROM Course WHERE Cno IN ”C01”&&”CO2”&&”CO3” C: SELECT Cname FROM Course WHERE Cno IN (”C01”, ”CO2”, ”CO3”) D: SELECT Cname FROM Course WHERE Cno IN( ”C01” AND ”CO2”AND ”CO3”)
有三个表,学生表 Stu(Sno,Sname,Ssex,Sbirthday,Sdept),字段分别表示学号,姓名,性别,出生日期,所在系,学号为主码;课程表Course(Cno,Cname)字段分别表示课程号,课程名,课程号为主码,成绩表SC(Sno, Cno,degree),字段分别表示学号,课程号,成绩,(Sno,Cno)共同为主码,分别参考Stu,Course表的主码。查询课程号是”C01””C02””CO3”的课程名的语句是? A: SELECT Cname FROM Course WHERE Cno =”C01”&&”CO2”&&”CO3” B: SELECT Cname FROM Course WHERE Cno IN ”C01”&&”CO2”&&”CO3” C: SELECT Cname FROM Course WHERE Cno IN (”C01”, ”CO2”, ”CO3”) D: SELECT Cname FROM Course WHERE Cno IN( ”C01” AND ”CO2”AND ”CO3”)