Serious sex discrimination leads to massive raping cases in_______.A.none of the aboveB.
A.none of the above
B.India
C.Nanjing
D.Rwanda
A.none of the above
B.India
C.Nanjing
D.Rwanda
第2题
下列说法正确的是()
A.alter table user drop column sex;
B.alter table user add sex varchar(20);
C.alter table user drop sex;
D.alter table user modify id int primary key;
第3题
A.BCNF
B.3NF
C.2NF
D.1NF
第4题
第5题
A.SELECT SN,SEX FROM S WHERE AGE>(SELECT AGE FROM S WHERE SN=“李丽”)
B.SELECT SN,SEX FROM S WHERE SN=“李丽”
C.SELECT SN,SEX FROM S WHERE AGE>(SELECT AGE WHERE SN=“李丽”)
D.SELECT SN,SEX FROM S WHERE AGE>李丽.AGE
第6题
A.a such serious
B.a so serious
C.such serious a
D.so serious a
第7题
数据库中的数据表结构如下:
stu_info(stu_id, name, birthday, sex, address, mark, maj or, sdept)
stu_id-学号
name-姓名
birthday-出生日期
sex-性别
address-居住地址
mark-成绩
major-专业
sdept-所在院系
写出下面Transact-SQL语句的功能。
SELECT* FROM stu_info ORDER BY mark DESC, Birthday
第8题
A.address…regardless
B.to address…regardless of
C.addressing…regardless to
D.addressed…regardless by
第10题
That was so serious a matter that I had no choice but ______ the police.
A.called in
B.calling in
C.call in
D.to call in