As a Grade Nine student, LI Xin tries to live a colorful life.The form below shows thathe spends　　...

查看本题答案

包含此试题的试卷

教案备课库《2017年中考复习情况调研测试（一）英语试卷》真题及答案点击查看

你可能感兴趣的试题

在关系SCstudent_idstudent_namecourse_idgrade中有student

不满足 1NF 2NF 3NF

–IsyoursoninGradeFive?–Yeah.He’llbeinGrade________

Two Three Six Nine

如下三个关系其中学生关系student的主码是sno课程关系course的主码是cno选课关系

SELECT sname FROM student，SELECT cno，grade FROM sc WHERE studensno＝ssno SELECT sname，cno，grade FROM student，course WHERE studensno＝courscno SELECT sname，cname，grade FROM student，course，sc WHERE studensno＝ssno and scno＝course，cno SELECT sname，cno，grade FROM student，sc WHERE studensno＝ssno

—WhatclassisLiMingin?—She’sin_________.

Class 2, Grade 1 Grade 1, Class 2 class 2, grade 1 grade 1, class 2

—WhatclassisWeiLiin?—Sheisin______.

Grade Seven , class three Grade Seven , Class three class three，grade seven Class Three , Grade Seven

在关系SCstudent_idstudent_namecourse_idgrade中有student

不满足 1NF 2NF 3NF

如下的SQL语句是用于查询每个学生的选修课程数总成绩平均成绩的不完整语句请在空缺处填入正确的内

阅读短文选择正确的答案ThisisapictureofMr.Li’sfamily.Themanint

使用VC6打开考生文件夹下的工程test21_1此工程包含一个源程序文件test21_1.cpp但该

–Isthegirlwithaponytailin_______?–Nosheisin_______

Year Eight; the nine grade the eighth year; Grade Nine Year Eighth; the ninth grade the eight year; Grade Ninth

对于数据表studentsnosnamesexagegrade查询学习成绩为空的学生的学号和姓名下面

SELECT sno,sname FROM student WHERE grade=NULL SELECT sno,sname FROM student WHERE grade IS NULL SELECT sno,age FROM student WHERE grade IS NULL SELECT sno,age FROM student WHERE grade=NULL

对于学生信息表studentsnosnamesexagegrade查询学习成绩为空的学生的学号和姓名

SELECT sno，sname FROM student WHERE grade=NULL SELECT sno，sname FROM student WHERE grade IS NULL SELECT sno，age FROM student WHERE grade IS NULL SELECT sno，age FROM student WHERE grade=NULL

使用VC6打开考生文件夹下的工程test21_1此工程包含一个源程序文件test21_1.cpp但该

对于学生信息表studentsnosnamesexagegrade查询学习成绩为空的学生的学号和姓名

SELECT Sno，sname FROM student WHERE grade=NULL SELECT sno，sname FROM student WHERE grade IS NULL SELECT sno，age FROM student WHERE grade IS NULL SELECT sno，age FROM student WHERE grade=NULL

在关系SCstudent_idstudent_namecourse_idgrade中有student

不满足 1NF 2NF 3NF

AsaGradeNinestudentintheafternoonmanystudentsalwa

如下的SQL语句是用于查询每个学生的选修课程数总成绩平均成绩的不完整语句请在空缺处填入正确的内

—WhatclassisWeiLiin?—Sheisin______.

Grade Seven , class three Grade Seven , Class three grade seven , class three Class Three , Grade Seven

MynameisLiuYing.I’matallgirl.I’mtwelveyearsold.I’m

对于数据表studentsnosnamesexagegrade查询学习成绩为空的学生的学号和姓名下面

SELECT sno,sname FROM student WHERE gade=NULL SELECT sno,sname FROM student WHERE grade IS NULL SELECT sno,age FROM student WHERE grade IS NULL SELECT mo,age FROM student WHERE grade=NULL

As a Grade Nine student, LI Xin tries to live a colorful life.The form below shows thathe spends　　...

包含此试题的试卷

你可能感兴趣的试题

热门试题

热门题库

As a Grade Nine student, LI Xin tries to live a colorful life.The form below shows thathe spends ...

包含此试题的试卷

你可能感兴趣的试题

热门试题

热门题库

As a Grade Nine student, LI Xin tries to live a colorful life.The form below shows thathe spends　　...