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Developing Time-Oriented Database Applications in SQL with CDROM (Morgan Kaufmann Series in Data Management Systems)
 
 
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Developing Time-Oriented Database Applications in SQL with CDROM (Morgan Kaufmann Series in Data Management Systems) [Englisch] [Taschenbuch]

Richard Snodgrass (Autor), Jim Gray (Vorwort), Jim Melton (Vorwort)
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Produktinformation

  • Taschenbuch: 504 Seiten
  • Verlag: Morgan Kaufmann Publishers In; Auflage: Pap/Com (August 1999)
  • Sprache: Englisch
  • ISBN-10: 1558604367
  • ISBN-13: 978-1558604360
  • Größe und/oder Gewicht: 23,9 x 19,6 x 2,8 cm
  • Durchschnittliche Kundenbewertung: 3.5 von 5 Sternen  Alle Rezensionen anzeigen (2 Kundenrezensionen)
  • Amazon Bestseller-Rang: Nr. 1.108.790 in Englische Bücher (Siehe Top 100 in Englische Bücher)

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Mehr über den Autor

Richard T. Snodgrass
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Produktbeschreibungen

Amazon.co.uk

What is everywhere but occupies no space? Can be measured but not seen or touched. Can be spent, wasted or killed--but not destroyed or changed? The simple answer is time, and the relationship between the fourth dimension and data is the foundation for this fascinating book.

Anyone who has ever attempted to create or modify a database containing temporal data will appreciate the complexity of the task. Snodgrass's book aims to simplify it by firstly helping the reader to fully understand the concepts involved before covering the SQL code needed to carry out the work. The book is punctuated with box-outs of interesting information about the measurement of time through the ages plus illustrative examples of where disaster has occurred following the misuse of time-specific data, and it comes with a free CD-ROM with example code.

Make no mistake, Developing Time-Oriented Database Applications in SQL is by no means an easy read. It's complex, very wordy and non-programmers may get lost in the SQL quite quickly. This aside, it's an informative, well-written attempt at explaining a complicated concept. --Steve Russell

Amazon.com

What is everywhere but occupies no space; can be measured but not seen or touched; can be spent, wasted, or killed, but not destroyed or changed? The simple answer is time, and the relationship between the fourth dimension and data is the foundation for Developing Time-Oriented Database Applications in SQL, a fascinating book by Richard T. Snodgrass.

Anyone who has ever attempted to create or modify a database containing temporal data will appreciate the complexity of the task. Snodgrass's book aims to simplify it by first helping the reader fully understand the concepts involved before covering the SQL code needed to carry out the work. The book is punctuated with interesting information about the measurement of time through the ages, plus illustrative examples of where disaster has occurred following the misuse of time-specific data, and it comes with a free CD-ROM containing example code.

Make no mistake, this book is by no means an easy read. It's complex and very wordy, and non-programmers may get lost in the SQL quite quickly. This aside, it's an informative, well-written attempt to explain a complicated concept. --Steve Russell, amazon.co.uk

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It was "as if you fired a 15-inch naval shell at a piece of tissue paper and the shell came right back and hit you." Lesen Sie die erste Seite
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Die hilfreichsten Kundenrezensionen
3 von 3 Kunden fanden die folgende Rezension hilfreich
Von Ein Kunde
Format:Taschenbuch
Professor Snodgrass has effectively communicated temporal data to me with this top-notch book. I have been designing systems for 25+ years and, for me, this book ranks with Donald Knuth's, "Art of Programming: Fundamental Algorithms (first edition)" and Charles Petzold's "Programming Windows", for its impact, in particular on my thinking process in software development. Every system I review, every table I design, every object that I design be considered differently than before I read this book.

His analogies are "country", but important. It took three settings of an hour each on 10 pages until the concepts really sank in. I have seen these constructs in Data Warehouses, but now I see a future for these in transactional systems.

Every time based system will eventually incorporate these concepts (and new SQL tools) - In particular all accounting systems including banking, brokerage (especially portfolio management), tax accounting.

For example, right now we are working on a system to track and manage vendor problems in a "just in time" manufacturing environment. If our tables had been designed with these temporal concepts, we would be able to more effectively communicate trends to our management users.

Those people who are familiar with these concepts may find it boring, but for those of us learning, I say thank you!

War diese Rezension für Sie hilfreich?
1 von 2 Kunden fanden die folgende Rezension hilfreich
Von Ein Kunde
Format:Taschenbuch
One can tell that this work stems from the research of the author but he fails to translate it into something useful. It took a lot of effort to translate the concepts into something that my students would use in the database real world. I got sick of the little sidebars that had interesting but useless tidbits concerning notions of time. This is not for the developer but it might be useful for someone that is SQL knowledgeable that wants to check out some variations on time and temporal specifications.
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Die hilfreichsten Kundenrezensionen auf Amazon.com (beta)
Amazon.com:  11 Rezensionen
30 von 30 Kunden fanden die folgende Rezension hilfreich
Buying a hardcopy will cost you, but you can get it online for free... 23. Januar 2006
Von David Beardsley - Veröffentlicht auf Amazon.com
Format:Taschenbuch
People seem to be selling used copies of this book for quite a bit ($125+) but you can get a PDF of the book for free from the author:

http://www.cs.arizona.edu/people/rts/tdbbook.pdf

Thanks to the author for providing this resource!
23 von 24 Kunden fanden die folgende Rezension hilfreich
Quickly understand temporal data 10. November 1999
Von Ein Kunde - Veröffentlicht auf Amazon.com
Format:Taschenbuch
Professor Snodgrass has effectively communicated temporal data to me with this top-notch book. I have been designing systems for 25+ years and, for me, this book ranks with Donald Knuth's, "Art of Programming: Fundamental Algorithms (first edition)" and Charles Petzold's "Programming Windows", for its impact, in particular on my thinking process in software development. Every system I review, every table I design, every object that I design be considered differently than before I read this book.

His analogies are "country", but important. It took three settings of an hour each on 10 pages until the concepts really sank in. I have seen these constructs in Data Warehouses, but now I see a future for these in transactional systems.

Every time based system will eventually incorporate these concepts (and new SQL tools) - In particular all accounting systems including banking, brokerage (especially portfolio management), tax accounting.

For example, right now we are working on a system to track and manage vendor problems in a "just in time" manufacturing environment. If our tables had been designed with these temporal concepts, we would be able to more effectively communicate trends to our management users.

Those people who are familiar with these concepts may find it boring, but for those of us learning, I say thank you!

9 von 10 Kunden fanden die folgende Rezension hilfreich
Widely and immediately useful 13. September 2001
Von Thomas Cox - Veröffentlicht auf Amazon.com
Format:Taschenbuch
I've used this book while working as the lead data architect on several large database projects, and it's been a lifesaver. It brings rigor and discipline to a very difficult area for SQL (true relational) databases: handling, reporting on, and storing the changing [versions of] data over time.

The concepts are themselves quite difficult and challenging, and I would be loathe to even attempt to build a system tracking changing data over time without this book's priceless assistance.

Another reviewer, an instructor, didn't like the book: it is not a tutorial and may be hard to use, understand, or follow if you are not already working on a problem that this book can help you solve.

But if you are involved in creating (say) an insurance application that must handle retroactivity, or a financial system that must be able to re-create an earlier financial report and explain why today's version of Q2 is different from yesterday's, then you NEED this book.

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