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Product details

File Size: 987 KB

Print Length: 283 pages

Page Numbers Source ISBN: 144936943X

Simultaneous Device Usage: Unlimited

Publisher: O'Reilly Media; 1 edition (May 21, 2013)

Publication Date: May 21, 2013

Sold by: Amazon Digital Services LLC

Language: English

ASIN: B00CXXZ6PQ

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Amazon Best Sellers Rank:

#1,367,167 Paid in Kindle Store (See Top 100 Paid in Kindle Store)

Great book by a master of the art. A bit pedantic at times, but well worth it. All of his works are worth the money.

Very informative. Still the author manages to come across as somewhat aloof, making no attempt to understand or clarify the practical reasons why SQL systems diverge from the ideal relational model.

I remember reading another book from C.J Date some time ago: SQL and Relational Theory. At that time I was simply put off by the content as I thought it was no use from the pratical point of view. This time, I would write different review, and this is due to reading Relational Theory for Computer Professionals. For the details, read on.This time, C.J. Date takes slightly different apporach to the topic. At first you get consice and well written explanation of relational model then, you get the overview of the SQL in the contex of what you have read before. In the context of relational model. When it comes to relational model, as for all other books and video trainings, C.J. Date uses Tutorial D while explaining it's odds and ends. And here comes funny and unexpected change in my approach to the langue. When I was reading SQL and Relational Theory I was completelly against the concept of the language specially crafted just for the purpose of relational model explanation. When I was reading View Updating & Relational Theory I started to appreciate it. Now, after reading Relational Theory for Computer Profesionals, I am almost grateful to C.J. Date for defining it and using throughout his books. Thanks to Tutorial's D structure it is really easy to follow relational model's concepts.As for the book and the content, the case is simple: well written, well explained, concise. The structure of the book is really clear. First part contains details of relational model, then C.J. Date presents SQL and with each feature of the language you get desription of how should it be done using Tutorial D and how can you achieve the same thing using SQL. There are lots of examples and exercises throughout the book. What is even more important is that for each exercise you get full and well explained answer.There is one thing about this book. It is "very academic". It means that you go through lots of formulas, definitions, very formal language and you have to pay lots of attention to the content while reading. If you preffer more pragmatic approach, this book may be boring. On the other hand, if you value concise approach with really good background - go for it. I would definitelly suggest it to all the people who are familiar with SQL, but don't have relational model related knowledge, yet.

"Relational Theory for Computer Professionals: What Relational Databases Are Really All About" by C. J. Date; O'Reilly MediaC.J. Date has definitely written his share of books on Relational Database Theory, and this, his latest, takes us once again into the intricacies of the theory underlying relational databases. With the variety of other database structures coming out, such as Graphical Databases, Object-Oriented Databases, and NoSQL, it could be that he is here trying to defined relational theories position amongst the rest.It is very heavy on theory with the early sections of the book giving much of the necessary theory needed. The first part gives the basics, such as keys, foreign keys, and other basic definitions and structures. But the language might become terse for someone coming from a straight SQL programming standpoint. His discussions on Revlars and Relational Operators is a bit thorny and difficult going in some sections. The second part leads to a certain sense of applications with his turning to transactions and database design. But for many coming from SQL, it is the third part that might be of most interest. It is here that he ties in the theory directly to SQL and where one can see things come together.Unfortunately, the book is so theory-laden, that it might be difficult for all but academians to get through. As well, throughout the book Date uses a different database language, Tutorial D, to show various concepts. This does have the advantage of being a language that he feels is closer to the pure database model, but once again, the bridge between theory and practicality is often a difficult task to do well.For those interested in a theoretical look at database design and, more precisely, relational database theory, this book might be what they are looking for. But even then, there might be other, better choices. Particularly, "Database Design & Relational Theory," also by C. J. Date and published as well O'Reilly Media.(FTC disclosure (16 CFR Part 255): The reviewer has accepted a reviewer's copy of this book which is his to keep. He intends to provide an honest, independent, and fair evaluation of the book in all circumstances.)[...]

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