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Oracle Database 11g Performance Tuning Recipes
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Kurzbeschreibung
Performance problems are rarely "problems" per se. They are more often "crises" during which you're pressured for results by a manager standing outside your cubicle while your phone rings with queries from the help desk. You won't have the time for a leisurely perusal of the manuals, nor to lean back and read a book on theory. What you need in that situation is a book of solutions, and solutions are precisely what Oracle Database 11g Performance Tuning Recipes delivers. Oracle Database 11g Performance Tuning Recipes is a ready reference for database administrators in need of immediate help with performance issues relating to Oracle Database. The book takes an example-based approach, wherein each chapter covers a specific problem domain. Within each chapter are "recipes," showing by example how to perform common tasks in that chapter's domain. Solutions in the recipes are backed by clear explanations of background and theory from the author team. Whatever the task, if it's performance-related, you'll probably find a recipe and a solution in this book. * Provides proven solutions to real-life Oracle performance problems * Offers relevant background and theory to support each solution * Written by a team of experienced database administrators successful in their careers What you'll learn * Optimize the use of memory and storage * Monitor performance and troubleshoot problems * Identify and improve poorly-performing SQL statements * Adjust the most important optimizer parameters to your advantage * Create indexes that get used and make a positive impact upon performance * Automate and stabilize using key features such as SQL Tuning Advisor and SQL Plan Baselines Who this book is for Oracle Database 11g Performance Tuning Recipes is aimed squarely at Oracle Database administrators. The book especially appeals to those administrators desiring to have at their side a ready-to-go set of solutions to common database performance problems. Table of Contents * Optimizing Table Performance * Choosing and Optimizing Indexes * Optimizing Instance Memory * Monitoring System Performance * Minimizing System Contention * Analyzing Operating System Performance * Troubleshooting the Database * Creating Efficient SQL * Manually Tuning SQL * Tracing SQL Execution * Automated SQL Tuning * Execution Plan Optimization and Cosistency * Configuring the Optimizer * Implementing Query Hints * Executing SQL in Parallel
Über den Autor
Sam R. Alapati is an experienced Oracle database administrator who holds the Oracle Certified Professional designation and the Hewlett-Packard UNIX System Administrator certification. He currently manages Oracle databases at the Boy Scouts of America's national headquarters in Los Colinas, Texas. Alapati has been dealing with databases for a long time, including the Ingres RDBMS in the mid-1980s. He is also well-versed in the Microsoft SQL Server, Sybase, and IBM DB2 database management systems.
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6 Rezensionen
4 von 4 Kunden fanden die folgende Rezension hilfreich
Not detailed enough
10. Oktober 2011
Format:Taschenbuch|Von Amazon bestätigter Kauf
I did not find this book detailed enough to assist me in troubleshooting my issues with SGA, Kernel and Parallel Query tuning. It covers the basics and how the principles improve performance when implemented but it does not get detailed with anything other than the most rudimentary of examples. Overall it's very good for a beginner as it did educate me on several other nuances that I was previously unaware of. 4 stars (1 missing for lack of detail).
2 von 2 Kunden fanden die folgende Rezension hilfreich
Performance Tuning 101 at it's best
20. Mai 2012
Format:Taschenbuch
The "WOW" factor of this text is inversely proportional to the read's prior experience with database performance tuning.
In my opinion, a DBA (or a developer) with 0 - 3 years of experience can expect the following after reading this book
1. Know what to do when a 3 page query is dropped in their lap for tuning (trust me, trying to convince the user the problem is with the network, or their
machine, or with them !!! does not work after a couple of times :)')
2. not be intimated to read and to analyze an AWR report
3. can incorporate performance related daily checks in their day-to-day activities
4. can actually answer the typical performance related interview questions (e.g. how to tune an instance, how to tune a query, etc)
5. have the background to read advanced performance tuning literature
Following are some suggestions for the subsequent editions of this book
Chapter 8 "Creating Efficient Sql" adds no value and can be scratched in favor of the following topics
1. Sql Plan Management (after all, one of the authors has talked extensively about it in their "Oracle Database 11g" book)
2. Local vs Global indexing (when to use them, how to create them, etc.)
3. Why, which (local vs global), and how often to collect object level statistics
4. Highlight the performance tuning similarities and differences between OLTP and OLAP systems
I am almost tempted to add "RAC Performance Tuning" to my wishlist, but it might be an advanced topic?
In summary, I would recommend this book to anybody wanting to get started on Oracle performance tuning
In my opinion, a DBA (or a developer) with 0 - 3 years of experience can expect the following after reading this book
1. Know what to do when a 3 page query is dropped in their lap for tuning (trust me, trying to convince the user the problem is with the network, or their
machine, or with them !!! does not work after a couple of times :)')
2. not be intimated to read and to analyze an AWR report
3. can incorporate performance related daily checks in their day-to-day activities
4. can actually answer the typical performance related interview questions (e.g. how to tune an instance, how to tune a query, etc)
5. have the background to read advanced performance tuning literature
Following are some suggestions for the subsequent editions of this book
Chapter 8 "Creating Efficient Sql" adds no value and can be scratched in favor of the following topics
1. Sql Plan Management (after all, one of the authors has talked extensively about it in their "Oracle Database 11g" book)
2. Local vs Global indexing (when to use them, how to create them, etc.)
3. Why, which (local vs global), and how often to collect object level statistics
4. Highlight the performance tuning similarities and differences between OLTP and OLAP systems
I am almost tempted to add "RAC Performance Tuning" to my wishlist, but it might be an advanced topic?
In summary, I would recommend this book to anybody wanting to get started on Oracle performance tuning
8 von 11 Kunden fanden die folgende Rezension hilfreich
Great Resource
11. September 2011
Format:Taschenbuch
I have several years of experience as an Oracle database administrator and am very confident working with Oracle. However, one aspect of being a DBA that I struggle with is performance tuning. I quickly jumped at purchasing this text when it was published. I understand the concepts of good table and index design, but this text has helped fill in some of the gaps I have. While I have not yet read/worked through each of the recipes in this book, I have found chapters 1, 2, 4, 6, 8, and 12 very useful. I will use this resource to help with my day-to-day job duties.
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