表的规范化 [英] Normalization of an table

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本文介绍了表的规范化的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

对于下表:

图书(图书,体裁,作者,生日,作者的生日,出版日期,版本,作者的姓名,
AddressOfTheAuthor,出版商,BookTitle,Price,ThePublisher的名称,TypeOfPress)



功能依赖项:

类型,新闻类型->价格
作者-> birthDateOfTheAuthor,NameOfTheAuthor,AddressOfTheAuthor
版本->发布者,PublicationDate,TypeOfPress,
书->所有属性,

i)查找表格的归一化形式
ii)对表格进行规范化.

For the next table:

Book(Book,Genre,Author, birthDateOfTheAuthor, PublicationDate, Edition, NameOfTheAuthor,
AddressOfTheAuthor, Publisher, BookTitle, Price,nameOfThePublisher, TypeOfPress)

and

functional dependencies:

Genre,TypeOfPress -> Price
Author -> birthDateOfTheAuthor,NameOfTheAuthor,AddressOfTheAuthor
Edition -> Publisher, PublicationDate, TypeOfPress,
Book -> all atributes,

i) find in which normalization form is the table
ii) do the normalization of the table.

推荐答案

没什么不礼貌,但我想指出一些规则,当您在问答环节中提问时,以防您错过了.

1.您是否已搜索或搜索过解决方案?
7.如果您有学校或大学的作业,请假设您的老师或讲师也在阅读这些论坛.

现在,去谷歌寻求解决方案.如果您只是主动搜索,那里的材料很多.祝你好运.
Not to be rude but I would like to point out some of the rules when asking questions here in Q&A, incase you missed it.

1. Have you searched or Googled for a solution?
7. If you have a school or university assignment, assume that your teacher or lecturer is also reading these forums.

Now go and Google for a solution. There''s plenty of materials there if you just have the initiative to search. Good luck.


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