Oracle Performance Tuning And Optimization
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Database Performance Tuning And Optimization
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Author : Sitansu S. Mittra
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-04-18
Database Performance Tuning And Optimization written by Sitansu S. Mittra and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-04-18 with Computers categories.
Scope The book provides comprehensive coverage of database performance tuning and opti- zation using Oracle 8i as the RDBMS. The chapters contain both theoretical discussions dealing with principles and methodology as well as actual SQL scripts to implement the methodology. The book combines theory with practice so as to make it useful for DBAs and developers irrespective of whether they use Oracle 8i. Readers who do not use Oracle 8i can implement the principles via scripts of their own written for the particular RDBMS they use. I have tested each script for accuracy and have included the sample outputs generated from them. An operational database has three levels: conceptual, internal, and external. The c- ceptual level results from data modeling and logical database design. When it is imp- mented via an RDBMS such as Oracle, it is mapped onto the internal level. Database - jects of the conceptual level are associated with their physical counterparts in the internal level. An external level results from a query against the database and, as such, provides a window to the database. There are many external levels for a single conceptual level.
Oracle Performance Survival Guide
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Author : Guy Harrison
language : en
Publisher: Pearson Education
Release Date : 2009-10-09
Oracle Performance Survival Guide written by Guy Harrison and has been published by Pearson Education this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-10-09 with Computers categories.
Oracle Performance Survival Guide A Systematic Approach to Database Optimization The fast, complete, start-to-finish guide to optimizing Oracle performance Oracle Performance Survival Guide offers a structured, systematic, start-to-finish methodology for optimizing Oracle performance as efficiently as possible. Leading Oracle expert Guy Harrison shows how to maximize your tuning investment by focusing on causes rather than symptoms, and by quickly identifying the areas that deliver the greatest “bang for the buck.” Writing for DBAs and developers with all levels of experience, Harrison covers every area of Oracle performance management, from application design through SQL tuning, contention management through memory and physical IO management. He also presents up-to-the-minute guidance for optimizing the performance of the Oracle 11g Release 2. You’ll start by mastering Oracle structured performance tuning principles and tools, including techniques for tracing and monitoring Oracle execution. Harrison illuminates the interaction between applications and databases, guides you through choosing tuning tools, and introduces upfront design techniques that lead to higher-performance applications. He also presents a collection of downloadable scripts for reporting on all aspects of database performance. Coverage includes • “Tuning by layers,” the most effective, highest-value approach to Oracle performance optimization • Making the most of Oracle’s core tools for tracing, monitoring, and diagnosing performance • Highly efficient database logical and physical design, indexing, transaction design, and API use • SQL and PL/SQL tuning, including the use of parallel SQL techniques • Minimizing contention for locks, latches, shared memory, and other database resources • Optimizing memory and physical disk IO • Tuning Real Application Cluster (RAC) databases guyharrison.net informit.com/ph
Oracle Sql Performance Tuning And Optimization
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Author : Kevin Meade
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2014-09-16
Oracle Sql Performance Tuning And Optimization written by Kevin Meade and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-16 with Database management categories.
Written by a Senior Database Administrator who has worked with the Oracle RDBMS for thirty years, this is a book which teaches the skill of SQL Tuning for the Oracle Database. Not a list of one-off tricks or tips, nor a glossing over of topics; this book offers an in-depth process covering discovery, analysis, and problem resolution. Learn the science behind SQL Tuning. Learn and apply the FILTERED ROWS PERCENTAGE Cardinality based method of tuning Determine a query's Driving Table and Join Order Construct Query Diagrams, Data Models, and Join Trees Build and use Count / Filter / and Reconstruction Queries Identify Waste in a Query Execution Plan Zero in on Cardinality Divergence using Estimated vs. Actuals Use the ACCESS / FILTER / COVERAGE strategy to build indexes for Problem Queries Exploit THE 2% RULE in analyzing Access method and Join method Classify queries as Precision Style or Warehouse Style Understand Hash Join mechanics and make Hash Joins go faster Make HINTS work as Detection Tools rather than clubs Avoid early Database Design flaws Manage Statistics and deal with common Statistics problems (NDV, Uniform Distribution, Independence, Dynamic Sampling) (Staleness, Skew, Dependence, Defaulting, Out-Of-Bounds, Transiency, Bloat) Perfect your Question Based Analyis Technique and more Included are: a special chapter for EXADATA, a LAB which demonstrates the cardinality based process of SQL Tuning, and twenty three magical SQL scripts that make the process of SQL Tuning easy to do. Learn the skill of SQL Tuning as taught by an expert who does it for a living, and become the go-to specialist in your company. Chapter 1: DRIVING TABLE and JOIN ORDER Chapter 2: Ways to Use a Query Execution Plan Chapter 3: The Best Indexes for a Query Chapter 4: JOINS Chapter 5: HINTS Chapter 6: BASICS Chapter 7: ROW COUNTS and RUN TIMES Chapter 8: EXADATA LAB: Reverse Engineering the QEP Appendix: Know Your Scripts Scripts for analyzing queries and plans Scripts for examining an active database Scripts for looking at metadata showplan showplanshort showplanconstraints showplancountqueries showplandatamodel showplandrivingtable showplanfilterqueries showplanfrpspreadsheetcode showplanindexes showplannumrows showplanquerydiagram showplantables showplantablesunique loadplanfromcache loadplanfromhist showtopcpu showowner showindexes showconstraints showcolstats showhistograms showallscanrates showallworkareas It's all about the Cardinalities
Oracle Performance Tuning And Optimization
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Author : Edward Whalen
language : en
Publisher:
Release Date : 1996
Oracle Performance Tuning And Optimization written by Edward Whalen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Computers categories.
A comprehensive guide to performance design planning for cleint-network-server systems using Oracle, this book contains some dynamite applications design tips that can reduce network and server traffic dramatically. The CD-ROM contains various tuning and performance measurement utilities provided by the author and third-party developers.
Database Performance Tuning And Optimization
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Author : Sitansu S. Mittra
language : en
Publisher:
Release Date : 2003
Database Performance Tuning And Optimization written by Sitansu S. Mittra and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Database management categories.
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.
Oracle Sql High Performance Tuning
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Author : Guy Harrison
language : en
Publisher: Prentice Hall
Release Date : 2001
Oracle Sql High Performance Tuning written by Guy Harrison and has been published by Prentice Hall this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Computers categories.
Canada was young during the First World War, and with as many as 20,000 underage soldiers leaving their homes to join the war effort, the country's army was, too. Jim, at 17, was one of them, and he penned countless letters home. But these weren't the writings of an ordinary boy. They were the letters of a lad who left a small farming community for the city on July 15, 1915, a boy who volunteered to serve with the 79th Queen's Own Cameron Highlanders. Jim's letters home gloss over the horrors of war, focusing instead on issues of the home front: of harvesting, training the horses, and the price of hogs. Rarely do these letters, especially those to his mother and father, mention the mud and rats, the lice and stench of the trenches, or the night duty of cutting barbed wire in no man's land. For 95 years his letters remained in a shoebox decorated by his mother. Jim was just 18 when he was wounded and died during the Battle of the Somme. Hold the Oxo! tells the story that lies between the lines of his letters, filling in the historical context and helping us to understand what it was like to be Jim.
Optimizing Oracle Performance
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Author : Cary Millsap
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2003-09-16
Optimizing Oracle Performance written by Cary Millsap 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 2003-09-16 with Computers categories.
Oracle system performance inefficiencies often go undetected for months or even years--even under intense scrutiny--because traditional Oracle performance analysis methods and tools are fundamentally flawed. They're unreliable and inefficient. Oracle DBAs and developers are all too familiar with the outlay of time and resources, blown budgets, missed deadlines, and marginally effective performance fiddling that is commonplace with traditional methods of Oracle performance tuning. In this crucial book, Cary Millsap, former VP of Oracle's System Performance Group, clearly and concisely explains how to use Oracle's response time statistics to diagnose and repair performance problems. Cary also shows how "queueing theory" can be applied to response time statistics to predict the impact of upgrades and other system changes. Optimizing Oracle Performance eliminates the time-consuming, trial-and-error guesswork inherent in most conventional approaches to tuning. You can determine exactly where a system's performance problem is, and with equal importance, where it is not, in just a few minutes--even if the problem is several years old. Optimizing Oracle Performance cuts a path through the complexity of current tuning methods, and streamlines an approach that focuses on optimization techniques that any DBA can use quickly and successfully to make noticeable--even dramatic--improvements. For example, the one thing database users care most about is response time. Naturally, DBAs focus much of their time and effort towards improving response time. But it is entirely too easy to spend hundreds of hours to improve important system metrics such as hit ratios, average latencies, and wait times, only to find users are unable to perceive the difference. And an expensive hardware upgrade may not help either. It doesn't have to be that way. Technological advances have added impact, efficiency, measurability, predictive capacity, reliability, speed, and practicality to the science of Oracle performance optimization. Optimizing Oracle Performance shows you how to slash the frustration and expense associated with unraveling the true root cause of any type of performance problem, and reliably predict future performance. The price of this essential book will be paid back in hours saved the first time its methods are used.
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".
Comprehensive Oracle Database Management Strategies For Performance Tuning And System Optimization
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Author : Adam Jones
language : en
Publisher: Walzone Press
Release Date : 2025-01-03
Comprehensive Oracle Database Management Strategies For Performance Tuning And System Optimization written by Adam Jones and has been published by Walzone Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-01-03 with Computers categories.
'Comprehensive Oracle Database Management: Strategies for Performance Tuning and System Optimization' is an indispensable resource for mastering the intricate realm of Oracle Database administration. This book offers extensive insights into the essential techniques and methodologies required to boost the performance, reliability, and scalability of Oracle systems. From grasping the nuances of database architecture and SQL query optimization to mastering sophisticated indexing and efficient memory management, this all-encompassing guide leaves no stone unturned. Aimed at seasoned database administrators, system architects, and developers, this meticulously structured book not only elucidates fundamental concepts but also delves into advanced topics such as concurrency, locking mechanisms, and intricate diagnostics. Each chapter is designed to build progressively upon the previous one, ensuring a comprehensive and coherent grasp of effective Oracle Database management. Whether you're preparing for advanced Oracle certifications or seeking to resolve critical performance bottlenecks in enterprise environments, this book provides a trove of knowledge, best practices, and expert techniques to achieve optimal database performance. Arm yourself with the expertise and tools necessary to adeptly navigate and optimize sophisticated Oracle Database systems. Unlock the full potential of your database with 'Comprehensive Oracle Database Management: Strategies for Performance Tuning and System Optimization'.