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Microsoft SQL Server 2012 Internals (Englisch) Taschenbuch – 15. November 2013


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Kalen Delaney, a Microsoft MVP for SQL Server since 1993, provides advanced SQL Server training to clients worldwide. She is a contributing editor and columnist for SQL Server Magazine and the author of several highly regarded books, including Microsoft SQL Server 2008 Internals. Craig Freedman has nearly two decades of experience designing and implementing relational database servers, including 13 years as a Principal Software Design Engineer with the Microsoft SQL Server query processing and in-memory OLTP teams. He holds a Ph.D. from the University of Wisconsin-Madison where he researched parallel file systems and video on demand. Craig enjoys living and playing in the Pacific Northwest with his wife, two children, and dog.

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11 von 11 Kunden fanden die folgende Rezension hilfreich
If you want to look deeper into SQL Server, this is the book for you. 29. Januar 2014
Von Ian Stirk - Veröffentlicht auf Amazon.com
Format: Taschenbuch
Hi,

I have written a detailed chapter-by-chapter review of this book on www DOT i-programmer DOT info, the first and last parts of this review are given here. For my review of all chapters, search i-programmer DOT info for STIRK together with the book's title.

The introduction says "This book is intended to be read by anyone who wants a deeper understanding of what SQL Server does behind the scenes", so how does it fare?

This book has a revered pedigree, with previous editions containing some of the most detailed explanation of SQL Server internals available. Additionally, the list of authors reads like a Who's Who of the SQL Server world.

Owing to the increasing size and complexity of the SQL Server software, this book is selective in its content, concentrating on the query processor and storage engine. It specifically excludes client programming, business intelligence, security, and other non-core engine areas.

Below is a chapter-by-chapter exploration of the topics covered.

Chapter 1 SQL Server 2012 architecture and configuration
This first chapter provides an overview of the database engine, its key components, what they are and how they interact. In essence it aims to put the subsequent chapters into context.

SQL Server editions and installation are briefly discussed. SQL Server metadata is examined in terms of compatibly views, catalog views, Dynamic Management Objects (DMOs), and other metadata (e.g. system functions and stored procedures). This metadata can be very useful in diagnosing problems e.g. identifying what SQL statements are blocking.

The major components of the engine are identified (i.e. protocol layer, query optimization, query execution, storage engine, and the SQL Server Operating System [SQLOS]) and briefly discussed. They are discussed extensively in later chapters.
The SQL Server Configuration Manager is introduced as the main tool to manage services and network protocols. Other system-related configuration that you might want to change is discussed in relation to the operating system (e.g. page file location, optimize system for background services) and SQL Server options (e.g. Max Server Memory, Max Degree of Parallelism).

Included is a useful list of configuration options that you might want to check/change to optimize your SQL Servers. There is a very valid warning related to any changes, please ensure you test changes thoroughly, a change that might generally improve performance may actually be detrimental on your system.

While discussing parallelism, the point is made that the Dynamic Management View (DMV) sys.dm_os_tasks can be used to observe parallelism, however no further information is provided. It may have been more informative to say the DMV contains the column exec_context_id, which shows the different threads for the same process id (spid), a screenshot might have been useful too.

Overall, the chapter provides a gentle introduction to what the book is about and what you can expect in subsequent chapters. There are good links to other chapters.
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Conclusion
This is a detailed book by well-known and respected authors. Although the content is deep, it is purposely narrow in range. Just as you don't need to be a mechanic to drive a car, you don't need to know low-level SQL Server internals to run code adequately; however, knowing about the internals of SQL Server will not only satisfy your intellectual curiosity, but also provide clues on how to optimize your SQL queries and troubleshoot problems.

As an indication of the depth of the book, here is an extract on indexes: "An index row doesn't use the TagB orFsize row header values. In place of the Fsize field, which indicates where the fixed-length portion of a row ends, the page header pminlen value is used to decode an index row. The pminlen value indicates the offset at which the fixed-length data portion of the row ends. If the index row has no variable-length or nullable columns, that is the end of the row."

In some ways, this book seemed less `special' than its previous editions. This is not a fault of the book per se, but more because increasingly SQL Server internal information is being blogged.

Each chapter has a half-page conclusions section, this might have been better as a 2 or 3-page summary.

Often there is little linkage and flow between chapters by different authors, while this has the advantage that some chapters can be read independently, there is a degree of overlap and also less coherence than might have been possible with better editing (e.g. chapters on query execution, query optimizer and plan caching might have been better written by one author). That said, all chapters are individually well written, barring some basic English errors that the editors should have caught (I have submitted a list of around 10 errors to the companion website).

This is a big, heavy, and detailed book, I had to physically tear it into two parts so it was easier to carry and read. My initial notes on the book numbered 30 pages, and several sections required more than one reading.

You can download the first chapter for free, together with a detailed table of contents, from its page on the O'Reilly website:

If you want to know more about SQL Server, how the pages are linked together, the structures involved, and how the optimizer works, I can certainly recommend this book.
8 von 8 Kunden fanden die folgende Rezension hilfreich
If you make your living or are planning on making your living in an MS SQL 2012 Environment - Read this. 4. März 2014
Von Arthur L. Hill - Veröffentlicht auf Amazon.com
Format: Kindle Edition Verifizierter Kauf
As way of introduction, I am a CPA, MBA, MCSD, MCDBA - (for those of you who know, these are old credentials) I have made my living designing, coding, and supporting SQL based systems since Informix introduced Smartware. Most of my work has been done in MS SQL Server and Access.

I have spent countless hours trying to solve problems related to MS SQL Server because I never read this book or any like it. I don't care how long you have been working in MS SQL Server, if you do not understand the internals of how the engine works, you will waste vast amounts of time and most likely produce code and environments, which although they may function, are not optimized. You will spend hours trying to solve problems because you will not even know where to start looking.

This book is highly technical and extremely dry in many places. You will not take it to the beach for light reading. It will take a long time to work through this book and much of it may not seem relevant to you at the moment. I admit skimming some of the longer examples, but they are there for you to use in the future when you hit a wall.

This book is for persons who have a good amount of experience working with SQL Server and are moving up to 2012 and really want to understand the product from the inside out. You do need a good understanding of hardware system nomenclature and functionality to understand the references in the book.

If you are an T-SQL developer and you think you don't really need the information in this book, you are wrong. As all of us who have written a million lines of T-SQL code in our lives know that there are a thousand different ways to get from point A to point B. Although all of them may work, 99% of them are inefficient at least. This book will give you the background understanding to know when you are headed done the wrong road.
Clearand Full Explanations 17. November 2014
Von M. D. Bell - Veröffentlicht auf Amazon.com
Format: Taschenbuch Verifizierter Kauf
Clear, definitive,precise and as easy to read as any technical book can be.
Five Stars 10. September 2014
Von douglas - Veröffentlicht auf Amazon.com
Format: Taschenbuch Verifizierter Kauf
Great book about sql server internals
0 von 1 Kunden fanden die folgende Rezension hilfreich
If your job title has changed from developer to devops I could see this being really useful. You can compare the TOC between the 28. Oktober 2014
Von jeremym - Veröffentlicht auf Amazon.com
Format: Taschenbuch
If you are coming to this from an administrator's point of view there aren't very many internals in this expensive Internals book. I'd stick with Delaney's book and catch up on the SQL 2014 features on your own. If your job title has changed from developer to devops I could see this being really useful. You can compare the TOC between the two and see which suits you better.
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