Sql Tuning

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Sql Tuning

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Author : Dan Tow
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2003-11-19

Sql Tuning written by Dan Tow 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 2003-11-19 with Computers categories.

A poorly performing database application not only costs users time, but also has an impact on other applications running on the same computer or the same network. SQL Tuning provides an essential next step for SQL developers and database administrators who want to extend their SQL tuning expertise and get the most from their database applications.There are two basic issues to focus on when tuning SQL: how to find and interpret the execution plan of an SQL statement and how to change SQL to get a specific alternate execution plan. SQL Tuning provides answers to these questions and addresses a third issue that's even more important: how to find the optimal execution plan for the query to use.Author Dan Tow outlines a timesaving method he's developed for finding the optimum execution plan--rapidly and systematically--regardless of the complexity of the SQL or the database platform being used. You'll learn how to understand and control SQL execution plans and how to diagram SQL queries to deduce the best execution plan for a query. Key chapters in the book include exercises to reinforce the concepts you've learned. SQL Tuning concludes by addressing special concerns and unique solutions to "unsolvable problems."Whether you are a programmer who develops SQL-based applications or a database administrator or other who troubleshoots poorly tuned applications, SQL Tuning will arm you with a reliable and deterministic method for tuning your SQL queries to gain optimal performance.

Sql Performance Tuning

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Author : Peter Gulutzan
language : en
Publisher: Addison-Wesley Professional
Release Date : 2003

Sql Performance Tuning written by Peter Gulutzan and has been published by Addison-Wesley Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Computers categories.

A very practical guide to making databases run faster and better. A poorly performing database application can cost each user time, and have an impact on other applications running on the same computer or the same network. This book will help DBAUs and programmers improve the performance of their databases.

Oracle High Performance Sql Tuning

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Author : DONALD K. BURLESON
language : en
Publisher:
Release Date :

Oracle High Performance Sql Tuning written by DONALD K. BURLESON and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 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 Database 12c Performance Tuning Recipes

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Author : Sam Alapati
language : en
Publisher: Apress
Release Date : 2013-12-03

Oracle Database 12c Performance Tuning Recipes written by Sam Alapati and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-03 with Computers categories.

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 12c Performance Tuning Recipes delivers. Oracle Database 12c 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 Gets straight to the point for when you're under pressure for results 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 12c 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 Consistency Configuring the Optimizer Implementing Query Hints Executing SQL in Parallel

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.

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 With Oracle Sqltxplain

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Author : Stelios Charalambides
language : en
Publisher: Apress
Release Date : 2013-03-18

Oracle Sql Tuning With Oracle Sqltxplain written by Stelios Charalambides and has been published by Apress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-18 with Computers categories.

A practical guide showing you how to tune your SQL the way Oracle's own experts do it ... with a simple-to-use, free-download tool called SQLTXPLAIN. You will be able to tune even the most complex SQL quickly without the huge learning curve usually associated with tuning as a whole.

Oracle High Performance Sql Tuning

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Author : Donald K. Burleson
language : en
Publisher: McGraw-Hill Education
Release Date : 2001-08-17

Oracle High Performance Sql Tuning written by Donald K. Burleson and has been published by McGraw-Hill Education this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-08-17 with Computers categories.

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. From the official Oracle Press comes a comprehensive guide to tuning SQL statements for optimal execution This expert resource explains how to view the internal execution plan of any SQL statement and change it to improve the performance of the statement. You'll get details on Oracle's optimizer modes, SQL extensions, the STATSPACK utility, and a wealth of methods for tuning Oracle SQL statements.

Formal Sql Tuning For Oracle Databases

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Author : Leonid Nossov
language : en
Publisher: Springer
Release Date : 2016-09-16

Formal Sql Tuning For Oracle Databases written by Leonid Nossov and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-16 with Computers categories.

The target of SQL tuning is the improvement of the existing execution plan. The authors discuss the removal of brakes in the execution plan. Such "brakes" or bottlenecks can be recognized by a formal analysis of the execution plan. For this purpose no data model knowledge is needed. This is especially beneficial for database administrators because they are usually not or insufficiently familiar with the data model. The book presents numerous practical examples with this method.