Download Ebook Expert Oracle SQL: Optimization, Deployment, and Statistics, by Tony Hasler
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Expert Oracle SQL: Optimization, Deployment, and Statistics, by Tony Hasler
Download Ebook Expert Oracle SQL: Optimization, Deployment, and Statistics, by Tony Hasler
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Expert Oracle SQL: Optimization, Deployment, and Statistics is about optimizing individual SQL statements, especially on production database systems. This Oracle-specific book begins by assuming you have already identified a particular SQL statement and are considering taking steps to improve its performance. The book describes a systematic process by which to diagnose a problem statement, identify a fix, and to implement that fix safely in a production system. You'll learn not only to improve performance when it is too slow, but also to stabilize performance when it is too variable. You'll learn about system statistics and how the Cost-Based Optimizer uses them to determine a suitable execution plan for a given statement. That knowledge provides the foundation from which to identify the root cause, and to stabilize and improve performance.
Next after identifying a problem and the underlying root cause is to put in place a solution. Expert Oracle SQL: Optimization, Deployment, and Statistics explains how to apply various remedies such as changing the SQL statement, adding hints, changing the physical design, and more, and how they can be brought to bear on fixing a problem once and for all.
Rolling a change out smoothly is an important topic when dealing with tuning and optimization. Expert Oracle SQL: Optimization, Deployment, and Statistics does not let you down in this critical area. The book contains two chapters of good information from an experienced professional on how to safely deploy changes into production so that your systems remaining running and available throughout the deployment process.
- Describes a systematic approach to tuning Oracle SQL
- Explains how things are supposed to work, what can go wrong, and how to fix it
- Takes you through the steps needed to stabilize performance in your production systems
- Sales Rank: #2336900 in Books
- Published on: 2014-06-24
- Released on: 2014-06-24
- Original language: English
- Number of items: 1
- Dimensions: 9.25" h x 1.41" w x 7.52" l, .0 pounds
- Binding: Paperback
- 571 pages
About the Author
Tony Hasler spends most workdays tuning database queries for financial institutions in the City of London from his office in Fife, occasionally looking over the Firth of Forth towards Edinburgh castle. Tony spent the first half of his 30 years in IT developing software, during some of which time he worked with the International Standards Organisation (ISO) on interoperability standards in transaction processing. He also filed a patent on optimisations in two-phase-commit logging mechanisms. For most of the last 15 years Tony has been solving performance issues for major financial institutions throughout Europe. He is a regular speaker at UK Oracle User Group conferences.
Most helpful customer reviews
2 of 4 people found the following review helpful.
Don't buy this edition (Sep-25-2014). It is an over ...
By Galo Xavier Balda Andrade
Don't buy this edition (Sep-25-2014). It is an over sized book with missing content. Buy the Jun-24-2014 edition instead. Thanks for wasting my time amazon.
3 of 3 people found the following review helpful.
Tony has provided a practical and proven method for tuning Oracle databases. Should be on all your Oracle bookshelves.
By Richard Ford
Stability. As Oracle professionals we strive for stability on a daily basis in our databases. One of the key components of stability is performance. How can we guarantee that an SQL statement which performed well today will run well tomorrow? How can we state to our managers and customers that their application will perform consistently? The answers to these questions, and more, are contained in this book. With Oracle performance it is not enough to just read the Oracle performance manuals and blog posts. This book takes a deep dive into the internals of the Oracle Cost Based Optimizer. While at the same time presenting complex topic in a clear and understandable way.
I highly recommend this book to any Oracle professional involved in performance tuning. I have witnessed Tony utilize the strategies in this book and turn an extremely non-performant database into a stable and predictive one. This held true for the database after a major platform upgrade from 10.2 to 11.2 RAC. If you were as frustrated and discouraged as I was trying to tune Oracle databases then this book is for you.
1 of 1 people found the following review helpful.
I have been fortunate to attend some of Tony's presentations at the UKOUG ...
By Mr. A. P. Sleight
I have been fortunate to attend some of Tony's presentations at the UKOUG Tech Conferences and so expected this book to be of the same quality. I was not disappointed! Tony really does have a deep insight into the subtleties of the Oracle database and the information in this book will be useful to DBAs of all levels of experience. I really do like the method of proof by example, and I wish more popular Oracle experts would follow the same philosophy. I found this book very readable, whilst still being informative.The examples given are also relavant to the real world. I am sure all readers will find some part of this book where they can say, 'Well I didn't know that!'.
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