Advanced Oracle Sql Tuning

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Expert Oracle Sql

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Author : Tony Hasler
language : en
Publisher: Apress
Release Date : 2014-07-05

Expert Oracle Sql written by Tony Hasler and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-05 with Computers categories.

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

Advanced Oracle Sql Tuning

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Author : Donald K. Burleson
language : en
Publisher: Rampant Techpress
Release Date : 2014-03

Advanced Oracle Sql Tuning written by Donald K. Burleson and has been published by Rampant Techpress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03 with Computers categories.

It's impossible to tune an Oracle database without understanding SQL tuning. Oracle is a SQL processing engine and the execution speed of any SQL query is influenced by many factors, both internal and external. As a declarative data access method, SQL relies on the Oracle cost-based optimizer to always choose the "best" execution plan for every SQL query. However, Oracle's SQL is among the most flexible and robust in the world, and along with this great power comes complexity. Tuning Oracle SQL is the single most important skill of any Oracle professional, and Oracle professionals are challenged to create SQL statements that will support thousands of concurrent executions with sub-second response time. "Advanced Oracle SQL Tuning" is a pragmatic treatment of Oracle SQL tuning, short on theory and big on real-world techniques and tips. This book is the culmination of the author's 25 years of full-time DBA experience and he shares expert tips and secrets for hyper charging SQL execution speed. This book covers advanced topics and it is not appropriate for beginners, dilettantes or neophytes.

Oracle Sql Tuning Pocket Reference

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Author : Mark Gurry
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2002-01-01

Oracle Sql Tuning Pocket Reference written by Mark Gurry and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-01-01 with Computers categories.

One of the most important challenges faced by Oracle database administrators and Oracle developers is the need to tune SQL statements so that they execute efficiently. Poorly tuned SQL statements are one of the leading causes of substandard database performance and poor response time. SQL statements that perform poorly result in frustration for users, and can even prevent a company from serving its customers in a timely manner. In this book, Mark Gurry shares his in-depth knowledge of Oracle's SQL statement optimizers. Mark's knowledge is the result of many hard-fought tuning battles during his many years of providing Oracle tuning services to clients. Mark provides insights into the workings of the rule-based optimizer that go well beyond what the rules tell you. Mark also provides solutions to many common problems that occur with both the rule-based and cost-based optimizers. In addition to the specific problem/solution scenarios for the optimizers, Mark provides a number of handy SQL tuning tips. He discusses the various optimizer hints, telling you when they can be used to good effect. Finally, Mark discusses the use of the DBMS_STATS package to manage database statistics, and the use of outlines to specify execution plans for SQL statements in third-party applications that you can't otherwise modify.

Oracle Sql High Performance Tuning

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Author : Guy Harrison
language : en
Publisher:
Release Date : 1997

Oracle Sql High Performance Tuning written by Guy Harrison and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Computers categories.

This is a comprehensive quide to writing SQL code that's optimized for performance. It includes a unique set of software tools on CD-ROM for benchmarking SQL performance.

Oracle Performance Survival Guide A Systematic Approach To Database Optimization

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Author : Harrison Guy
language : en
Publisher: Pearson Education India
Release Date : 2010-09

Oracle Performance Survival Guide A Systematic Approach To Database Optimization written by Harrison Guy and has been published by Pearson Education India this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09 with categories.

Oracle Tuning

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Author : Donald K. Burleson
language : en
Publisher: Rampant TechPress
Release Date : 2010

Oracle Tuning written by Donald K. Burleson and has been published by Rampant TechPress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Computers categories.

For Oracle tuning professionals wishing to add more tools to their Oracle tuning toolbox, this guidebook introduces the various tuning analytical tools and helpful strategies to make the database easier to use. Details describe how to extract information from the database and use it to determine and increase efficiency. It also provides specific steps with detailed information on how to congeal large amounts of database performance information into one pool from which the DBA can carefully choose tuning options based on what is predicted, all to give them the biggest improvement in performance for the least time and money investment. Sample code, sample code results, and guidelines on how to interpret the results help users manipulate code in an effective way. With countless hints, tips, and tools, the guide fully explains how to work with the Oracle system on order to achieve database performance excellence.

Oracle Tuning

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Author : Alexey B. Danchenkov
language : en
Publisher: Rampant Techpress
Release Date : 2006-02-01

Oracle Tuning written by Alexey B. Danchenkov and has been published by Rampant Techpress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-02-01 with Computers categories.

Oracle 10g has become the most complex database ever created and Oracle tuning has become increasingly complex. This book provides a complete step-by-step approach for holistic Oracle tuning and it is the accumulated knowledge from tuning thousands of Oracle databases. Incorporating the principles of artificial intelligence, Oracle10g has developed a sophisticated mechanism for capturing and tracking database performance over time periods. This new complexity has introduced dozens of new v$ and DBA views, plus dozens of Automatic Workload Repository (AWR) tables. The AWR and its interaction with the Automatic Database Diagnostic Monitor (ADDM) is a revolution in database tuning. By understanding the internal workings of the AWR tables, the senior DBA can develop time-series tuning models to predict upcoming outages and dynamically change the instance to accommodate the impending resource changes. This is not a book for beginners. Targeted at the senior Oracle DBA, this book dives deep into the internals of the v$ views, the AWR table structures and the new DBA history views. Packed with ready-to-run scripts, you can quickly monitor and identify the most challenging performance issues.

Pro Oracle Sql Development

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Author : Jon Heller
language : en
Publisher: Apress
Release Date : 2019-05-09

Pro Oracle Sql Development written by Jon Heller and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-09 with Computers categories.

Write SQL statements that are more powerful, simpler, and faster using Oracle SQL and its full range of features. This book provides a clearer way of thinking about SQL by building sets, and provides practical advice for using complex features while avoiding anti-patterns that lead to poor performance and wrong results. Relevant theories, real-world best practices, and style guidelines help you get the most out of Oracle SQL. Pro Oracle SQL Development is for anyone who already knows Oracle SQL and is ready to take their skills to the next level. Many developers, analysts, testers, and administrators use Oracle databases frequently, but their queries are limited because they do not have the knowledge, experience, or right environment to help them take full advantage of Oracle’s advanced features. This book will inspire you to achieve more with your Oracle SQL statements through tips for creating your own style for writing simple, yet powerful, SQL. It teaches you how to think about and solve performance problems in Oracle SQL, and covers advanced topics and shows you how to become an Oracle expert. What You'll LearnUnderstand the power of Oracle SQL and where to apply it Create a database development environment that is simple, scalable, and conducive to learningSolve complex problems that were previously solved in a procedural language Write large Oracle SQL statements that are powerful, simple, and fast Apply coding styles to make your SQL statements more readable Tune large Oracle SQL statements to eliminate and avoid performance problems Who This Book Is For Developers, testers, analysts, and administrators who want to harness the full power of Oracle SQL to solve their problems as simply and as quickly as possible. For traditional database professionals the book offers new ways of thinking about the language they have used for so long. For modern full stack developers the book explains how a database can be much more than simply a place to store data.

Oracle Pl Sql Performance Tuning Tips Techniques

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Author : Michael Rosenblum
language : en
Publisher: McGraw Hill Professional
Release Date : 2014-08-29

Oracle Pl Sql Performance Tuning Tips Techniques written by Michael Rosenblum and has been published by McGraw Hill Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-08-29 with Computers categories.

Proven PL/SQL Optimization Solutions In Oracle PL/SQL Performance Tuning Tips & Techniques, Oracle ACE authors with decades of experience building complex production systems for government, industry, and educational organizations present a hands-on approach to enabling optimal results from PL/SQL. The book begins by describing the discovery process required to pinpoint performance problems and then provides measurable and repeatable test cases. In-depth coverage of linking SQL and PL/SQL is followed by deep dives into essential Oracle Database performance tuning tools. Real-world examples and best practices are included throughout this Oracle Press guide. Follow a request-driven nine-step process to identify and address performance problems in web applications Use performance-related database tools, including data dictionary views, logging, tracing, PL/SQL Hierarchical Profiler, PL/Scope, and RUNSTATS Instrument code to pinpoint performance issues using call stack APIs, error stack APIs, and timing markers Embed PL/SQL in SQL and manage user-defined functions Embed SQL in PL/SQL using a set-based approach to handle large volumes of data Properly write and deploy data manipulation language triggers to avoid performance problems Work with advanced datatypes, including LOBs and XML Use caching techniques to avoid redundant operations Effectively use dynamic SQL to reduce the amount of code needed and streamline system management Manage version control and ensure that performance fixes are successfully deployed Code examples in the book are available for download.

Advanced Oracle Database Administration

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Author : John Smith
language : en
Publisher: Independently Published
Release Date : 2024-04-27

Advanced Oracle Database Administration written by John Smith and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-04-27 with Computers categories.

"Advanced Oracle Database Administration: Performance Tuning and Optimization" is an essential guide for anyone looking to master the complex world of Oracle Database management. This book provides in-depth insight into the core techniques and strategies needed to enhance the performance, reliability, and scalability of Oracle systems. From understanding database architecture and SQL query optimization to mastering advanced indexing and effective memory management, this comprehensive resource covers it all. Targeted at experienced database administrators, system architects, and developers, this meticulously crafted guide not only elucidates on fundamental concepts but dives deep into sophisticated topics like concurrency, locking mechanisms, and advanced diagnostics. Each chapter is structured to build upon the last, ensuring a cohesive and thorough understanding of effective Oracle Database administration. Whether you're preparing to tackle advanced Oracle certifications or aiming to resolve critical performance issues in enterprise environments, this book offers a wealth of knowledge, best practices, and expert techniques to help you achieve optimum database performance. Equip yourself with the tools and understanding necessary to confidently navigate and optimize complex Oracle Database systems. Unleash the full potential of your database with "Advanced Oracle Database Administration: Performance Tuning and Optimization".