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Product: Book - Paperback
Title: SQL/400 Developer's Guide
Publisher: 29th Street Press
Authors: Paul Conte, Mike Cravitz
Rating: 5/5
Customer opinion - 5 stars out of 5
Paul does it again...


As a developer and designer of AS/400 commercial software, I have always respected Paul Conte's contributions to my sphere of technical knowledge. This book furthers that respect. It expands on the chapter on SQL in Paul Conte's Database Design and Programming for DB2/400, a MUST-HAVE book for every AS/400 development team in its own right. Paul and Mike do an excellent job of introducing the unique features of the OS/400 operating system as they relate to SQL, and proceed in a logical fashion to explain both the data description and data manipulation aspects of SQL/400. I especially appreciated the various design tips- for example, how to create an SQL table with a member name that differs from the file name (a problem unique to AS/400 programming considerations). The section on dynamic SQL processing is particularly helpful. The examples can be put to good use immediately for writing useful SQL applications. The use of different languages to present these examples means the book will be helpful to RPG or Cobol programmers. Ignore the earlier reviewer who claimed this is a regurgitation of IBM's manuals. This is simply not true.
For those who are just embarking on database programming, chapters 17-19, on general concepts regarding data modelling and relational database design, are worth the price of the book alone. They provide guidance for using a formal approach to database design, instead of the 'intuitive' approach many of us old-timers have grown up with.
The only area I would like to have seen more detailed discussion is on the subject of remote connections (DRDA).
The writing is clear, concise, technically accurate and complete, which is typical of all Paul's work, including his prolific magazine article output. I imagine Mike Cravitz's contribution is also significant, having read several of his articles also. These two guys are the 'real thing' - not like many of the technical imposters writing in the AS/400 realm.
Get this book and read it. For further database programming insights, read their News/400 articles, too.



Product: Book - Paperback
Title: Programming ASP.NET, 2nd Edition
Publisher: O'Reilly
Authors: Jesse Liberty, Dan Hurwitz
Rating: 5/5
Customer opinion - 5 stars out of 5
What a great book!


I loved Liberty's C# tutorial, but this introduction to ASP.NET is even better.
This book teaches every aspect of building ASP.NET applications, with detailed analysis of the various controls and good depth of coverage on advanced topics such as data binding and interacting with SQL Server.
Yes, this book IS good for beginners (I didn't really know ASP before I read this book) but it is also good for intermediate programmers because it goes way beyond the basics.
The first part is introductory and thorough, but the second part (beginning about chapter 14) gets into the nitty gritty of creating custom controls, creating and using web services and then goes on to provide important infomration about security, performance and deployment.
I can't think of a better primer on ASP.NET and I recommend it highly.



Product: Book - Paperback
Title: Data Mining: Practical Machine Learning Tools and Techniques with Java Implementations
Publisher: Morgan Kaufmann
Authors: Ian H. Witten, Eibe Frank
Rating: 3/5
Customer opinion - 3 stars out of 5
Try to cover many, but not depth enough.


I have read machine learning writed by Tom M. Mitchell and also I have read Data Mining Concepts and Techniques writed by J. Han and M. Kamber. Both text books is very useful for someone who want to get concept of a modern data analysis approaches. But, however, to understant about that clearly, you should read this book also because the example and author's form writing is so good and nice, very easy to understant.



Product: Book - Hardcover
Title: Data and Computer Communications, Seventh Edition
Publisher: Prentice Hall
Authors: William Stallings
Rating: 4/5
Customer opinion - 4 stars out of 5
Too many acronyms ....


This book was well written and covered a broad range of topics which gives the reader a good general knowledge of how digital and analog signals work and how they are encoded and decoded. The author is very knowledgeable however he needs to realize that his readers are (perhaps) not as smart or experienced in this field as he is. The extensive use of acronyms throughout the text make it difficult at times to fully understand what is being taught. I found myself paging back in the book to look up the acronyms just to understand what I was reading.
It would also be quite helpful if the author offered a study guide to accompany the text containg solutions the questions at the end of the chapter. Practice questions are a lot more helpful if the student actually has some way to verify that they are doing the questions correctly.
Overall the book was well written although the author should concentrate on using full terms instead of stating the term at the beginning of the book and using the acronym through out the rest of the text.