在SQL语言中，一个基本表的定义一旦被删除，则与此表相关的下列_爱下问搜题

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问题单项选择题

在SQL语言中，一个基本表的定义一旦被删除，则与此表相关的下列内容中( )也自动被删除。 Ⅰ、在此表中的数据 Ⅱ、在此表上建立的索引 Ⅲ、在此表上建立的视图

A．Ⅰ和Ⅱ

B．Ⅱ和Ⅲ

C．Ⅰ和Ⅲ

D．全部

答案

参考答案：A

解析：一个SQL数据库是表的汇集，一个SQL表是由行集构成，一行是列中序列，每列对应一个数据项，一个表可以带若干索引，索引也存放在存储文件中，一个表或者是一个基本表，或者是一个视图，一个基本表可以跨一个或多个存储文件存放，SQL语言支持数据库的3级模式结构。

单项选择题

《药品经营许可证管理办法》适用于 ()

A．《药品经营许可证》发证

B．《药品生产许可证》换证

C．《药品经营许可证》变更

D．药品监督管理变更

E．《药品经营许可证》发证、换证、变更及监督管理

完形填空

In America,where labor costs are so high, do-it-yourself is a way of life.Many people 36 their own car,build their own garages,even rebuild their own 37 .Soon they may also be writing their own books.In Hollywood there is a company 38 publishes(出版) Children’s books 39 the help of computers.Although other book 40 also publish that way,this particular company is very 41 .It “personalizes”（使个性化）the book by having the computer make the reader the leading character in the story.Here is 42 they do it.Let us say your child 43 Jenny.She lives on Oak Drive in St. Louis,has a dog named Spot,a cat named Tabby,and three playmates 44 names are Betty,Sandy ,and Jody.The computer uses this 45 to fill out a story that has 46 been prepared and illustrated（发行）.The story is then printed（印刷） with standard equipment 47 a hard-cover book.A child who 48 such a book might say,”This book is about me”;the company therefore calls 49 the Me-book Publishing Company”.
Children like the Me-books because they like to see their own names in print and 50 of their friends and their pets. 51 more important ,”personalization” has been 52 to be important tool（工具） in __53 enthusiasm（热情） for reading.So Me-books are helping 54 to learn how to read, 55 appealing to（吸引） that natural desire to see his own name in print.

B．to be named

B．information