drinking coffee was unpatriotic
2000 insurance companies were set up hundreds of years ago
Europeans were responsible for the existence of slavery
coffee actually influenced the rise of business
第1题:
The author believes that using public monies to fund charter schools is ______.
A.a cure-all solution
B.hard to implement
C.a good idea
D.against the law
第2题:
要查询book表中所有书名以“电子商务”开头的书籍作者,可用(61)语句。
A.SELECT author FROM booK WHERE book _name=‘电子商务*’
B.SELECT author FROM booK WHERE book _name LIKE‘电子商务*’
C.SELECT author FROM booK WHERE book_ name=‘电子商务%’
D.SELECT author FROM booK WHERE book_name LIKE‘电子商务%’
第3题:
● 在XML中,元素book 的声明语句如下:
<!ELEMENT book (title,price+,author?,borrow*)>
该声明语句表明,元素book中子元素 (62) 至少出现一次。
A. title B. price C. author D. borrow
第4题:
第5题:
第6题:
talbe :
pub(pub_code char(2),pub_name varchar2(32))
book(book_code char(8),book_name varhcar2(128),pub_code char92),author_code
char(4),book_mem varchar2(128))
author(author_code char(4),author_name varchar2(10),sex char(1), age
number(3),dir varchar2(64))
auth_list(auth_date date,author_code char(4))
在PL/SQL中有以下两种字义
v_book_row book%rowtype;
v_book_code book.bank_code%type;
请说明v_book_row,v_book_code变量的含义以及数据类型
第7题:
阅读下面XML文档,下列说法正确的是(64)。 <book> <author>tony</author><!--作者信息 - > <bookcode>97873022</bookcode> </book>
A.<book>是元素对象,同样也是数据内容
B.<author>是数据内容
C.<!一,作者信息->是元素对象
D.97873022是数据内容
第8题:
From the passage, we can inter that
A. the author has a high opinion of the foundation
B. the author is surely a close friend of the Gates
C. the author believes Bill Gates is really a kind person
D. the author admires the medical knowledge of Bill Gates
第9题:
第10题: