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【简答题】
有一个“学生-课程”数据库,数据库中包括三个表: a. “学生”表 Student, 由( Sno )、姓名( Sname )、性别( Ssex )、年龄( Sage )、所在系( Sdept )五个属性组成,可记为: Student(Sno,Sname,Ssex,Sage,Sdept) Sno 为关键字。 b. “课程”表 Course, 由课程号( Cno )、课程名( Cname )、先修课号( Cpno )、学分( Ccredit )四个属性组成,可记为: Course(Cno,Cname,Cpno,Ccredit) Cno 为关键字。 c. “学生选课”表 SC 由( Sno )、课程号( Cno )、成绩( Grade )三个属性组成,可记为: SC(Sno,Cno,Grade) (SNO, CNO) 为关键字。完成下列操作: ( 1 )请把其中建立 “学生”表 Student 的语句写下来,表 Student 是由 Sno 、姓名 Sname 、性别 Ssex 、年龄 Sage 、所在系 Sdept 五个属性组成,其中属性不能为空,并且其值是唯一的。 ( 2 ) 在 student 表中查询 Sdept 是‘计算机’的学生的所有信息,并按 Sno 降序排列。 。 (3)在以上三个表中查询 Ccredit 为 5 并且 Grade 大于 60 的学生的、姓名和性别。
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参考答案：
举一反三
【多选题】Edith Wharton's Chartible Works include: __________.
A.
Her tireless charitable efforts for refugees throughtout the war.
B.
Her commitment to the displaced.
C.
Setting up workrooms for unemployed Frenchwomen.
D.
Organizing concerts to provide work for musicians.
E.
Opening tuberculosis hospitals.
查看完整题目与答案
【单选题】The image of the famous "henpecked husband" is created by____ A. Washington Irving B. Fennimore Cooper C. Edith Wharton D. William Dean Howells
A.
Washington Irving
B.
Fennimore Cooper
C.
Edith Wharton
D.
William Dean Howells
查看完整题目与答案
【单选题】Author Edith Wharton thoroughly understood the society______she had grown up.
A.
in which
B.
which
C.
in that
D.
that
查看完整题目与答案
【单选题】Author Edith Wharton thoroughly understiid the society ______
A.
she had grown up
B.
she had grew up in it
C.
that she had grown up in
D.
in which she had grown up
查看完整题目与答案
【单选题】The novelist Edith Wharton considered the writer Henry James___.
A.
that a strong influence on her work
B.
as strong influence on her work
C.
a strong influence on her work
D.
was a strong influence on her work
查看完整题目与答案
【单选题】What is the occasion?
A.
Edith's father got a promotion.
B.
It is Edith's mother's birthday.
C.
Edith's sister is graduating from college.
D.
It is Edith's parents' wedding anniversary.
查看完整题目与答案
【简答题】求一个n阶常微分方程的解,要使这个解及它的直到n-1阶导数在某一点取给定的一些值,这样的问题叫( ) .
查看完整题目与答案
【单选题】Author Edith Wharton thoroughly understood the society ________________.
A.
she had grown up
B.
she had grown up in
C.
that had she grown up in
D.
in which she had grown up
查看完整题目与答案
【单选题】Author Edith Wharton thoroughly understood the society _____.
A.
she had grown up
B.
she had grown up in it
C.
that had she grown up in
D.
in which she had grown up
查看完整题目与答案
【多选题】★根据广西现行消耗量定额的规定,按建筑面积以平方米计算工程量的有( )
A.
建筑工程垂直运输费
B.
单独装饰装修工程垂直运输费
C.
局部装饰装修工程垂直运输费
D.
建筑物超高增加费
E.
建筑物超高加压水泵台班
查看完整题目与答案
相关题目：
【多选题】Edith Wharton's Chartible Works include: __________.
A.
Her tireless charitable efforts for refugees throughtout the war.
B.
Her commitment to the displaced.
C.
Setting up workrooms for unemployed Frenchwomen.
D.
Organizing concerts to provide work for musicians.
E.
Opening tuberculosis hospitals.
查看完整题目与答案
【单选题】The image of the famous "henpecked husband" is created by____ A. Washington Irving B. Fennimore Cooper C. Edith Wharton D. William Dean Howells
A.
Washington Irving
B.
Fennimore Cooper
C.
Edith Wharton
D.
William Dean Howells
查看完整题目与答案
【单选题】Author Edith Wharton thoroughly understood the society______she had grown up.
A.
in which
B.
which
C.
in that
D.
that
查看完整题目与答案
【单选题】Author Edith Wharton thoroughly understiid the society ______
A.
she had grown up
B.
she had grew up in it
C.
that she had grown up in
D.
in which she had grown up
查看完整题目与答案
【单选题】The novelist Edith Wharton considered the writer Henry James___.
A.
that a strong influence on her work
B.
as strong influence on her work
C.
a strong influence on her work
D.
was a strong influence on her work
查看完整题目与答案
【单选题】What is the occasion?
A.
Edith's father got a promotion.
B.
It is Edith's mother's birthday.
C.
Edith's sister is graduating from college.
D.
It is Edith's parents' wedding anniversary.
查看完整题目与答案
【简答题】求一个n阶常微分方程的解,要使这个解及它的直到n-1阶导数在某一点取给定的一些值,这样的问题叫( ) .
查看完整题目与答案
【单选题】Author Edith Wharton thoroughly understood the society ________________.
A.
she had grown up
B.
she had grown up in
C.
that had she grown up in
D.
in which she had grown up
查看完整题目与答案
【单选题】Author Edith Wharton thoroughly understood the society _____.
A.
she had grown up
B.
she had grown up in it
C.
that had she grown up in
D.
in which she had grown up
查看完整题目与答案
【多选题】★根据广西现行消耗量定额的规定,按建筑面积以平方米计算工程量的有( )
A.
建筑工程垂直运输费
B.
单独装饰装修工程垂直运输费
C.
局部装饰装修工程垂直运输费
D.
建筑物超高增加费
E.
建筑物超高加压水泵台班
查看完整题目与答案
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