Oracle Pl Sql Tuning

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SQL Tuning

Dan Tow
SQL Tuning Book PDF

Author : Dan Tow
Publisher : "O'Reilly Media, Inc."
Page : 338 pages
File Size : 44,7 Mb
Release : 2003-11-19
Category : Computers
ISBN : 9780596552367

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SQL Tuning by Dan Tow Pdf

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.

Oracle PL/SQL Tuning

Timothy S. Hall
Oracle PL SQL Tuning Book PDF

Author : Timothy S. Hall
Publisher : Rampant TechPress
Page : 320 pages
File Size : 41,9 Mb
Release : 2006
Category : Computer programming
ISBN : 9780976157397

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Oracle PL/SQL Tuning by Timothy S. Hall Pdf

Oracle experts know that PL/SQL tuning makes a huge difference in execution speed. As one of the world's most popular and respected experts, Dr. Tim Hall shares his secrets for tuning Oracle PL/SQL. This indispensable book shows how to hypercharge Oracle applications gaining as much as 30x improvement in execution speed using under-documented code tricks. Packed with working examples, learn how to re-write SQL into PL./SQL and how to use advanced Oracle bulk array processing techniques to achieve super high performance. You can save your company millions of dollars in hardware costs by making your applications run at peak efficiency. Targeted at the Senior Oracle DBA and developer, this advanced book illustrates powerful techniques that can make PL/SQL run faster than ever before. This book is not for beginners and should only be purchased by seasoned Oracle professionals who must turbocharge their applications. Your time savings from a single script is worth the price of this great book.

Oracle PL/SQL Performance Tuning Tips & Techniques

Michael Rosenblum,Paul Dorsey
Oracle PL SQL Performance Tuning Tips Techniques Book PDF

Author : Michael Rosenblum,Paul Dorsey
Publisher : McGraw Hill Professional
Page : 337 pages
File Size : 49,8 Mb
Release : 2014-08-29
Category : Computers
ISBN : 9780071822183

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Oracle PL/SQL Performance Tuning Tips & Techniques by Michael Rosenblum,Paul Dorsey Pdf

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 Tuning Pocket Reference

Mark Gurry
Oracle SQL Tuning Pocket Reference Book PDF

Author : Mark Gurry
Publisher : "O'Reilly Media, Inc."
Page : 113 pages
File Size : 49,6 Mb
Release : 2002-01-01
Category : Computers
ISBN : 9780596552138

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Oracle SQL Tuning Pocket Reference by Mark Gurry Pdf

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 PL/SQL Best Practices

Steven Feuerstein
Oracle PL SQL Best Practices Book PDF

Author : Steven Feuerstein
Publisher : "O'Reilly Media, Inc."
Page : 207 pages
File Size : 45,7 Mb
Release : 2001-04-09
Category : Computers
ISBN : 9781449378769

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Oracle PL/SQL Best Practices by Steven Feuerstein Pdf

In this book, Steven Feuerstein, widely recognized as one of the world's experts on the Oracle PL/SQL language, distills his many years of programming, writing, and teaching about PL/SQL into a set of PL/SQL language "best practices"--rules for writing code that is readable, maintainable, and efficient. Too often, developers focus on simply writing programs that run without errors--and ignore the impact of poorly written code upon both system performance and their ability (and their colleagues' ability) to maintain that code over time.Oracle PL/SQL Best Practices is a concise, easy-to-use reference to Feuerstein's recommendations for excellent PL/SQL coding. It answers the kinds of questions PL/SQL developers most frequently ask about their code: How should I format my code? What naming conventions, if any, should I use? How can I write my packages so they can be more easily maintained? What is the most efficient way to query information from the database? How can I get all the developers on my team to handle errors the same way? The book contains 120 best practices, divided by topic area. It's full of advice on the program development process, coding style, writing SQL in PL/SQL, data structures, control structures, exception handling, program and package construction, and built-in packages. It also contains a handy, pull-out quick reference card. As a helpful supplement to the text, code examples demonstrating each of the best practices are available on the O'Reilly web site.Oracle PL/SQL Best Practices is intended as a companion to O'Reilly's larger Oracle PL/SQL books. It's a compact, readable reference that you'll turn to again and again--a book that no serious developer can afford to be without.

Effective Oracle by Design

Thomas Kyte
Effective Oracle by Design Book PDF

Author : Thomas Kyte
Publisher : McGraw Hill Professional
Page : 688 pages
File Size : 40,9 Mb
Release : 2003-09-12
Category : Computers
ISBN : 9780071776783

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Effective Oracle by Design by Thomas Kyte Pdf

Tom Kyte of Oracle Magazine’s “Ask Tom” column has written the definitive guide to designing and building high-performance, scalable Oracle applications. The book covers schema design, SQL and PL/SQL, tables and indexes, and much more. From the exclusive publisher of Oracle Press books, this is a must-have resource for all Oracle developers and DBAs.

Oracle SQL High-performance Tuning

Guy Harrison,Raymond Aron
Oracle SQL High performance Tuning Book PDF

Author : Guy Harrison,Raymond Aron
Publisher : Prentice Hall
Page : 660 pages
File Size : 52,8 Mb
Release : 2001
Category : Communism and intellectuals
ISBN : 0130123811

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Oracle SQL High-performance Tuning by Guy Harrison,Raymond Aron Pdf

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.

Oracle SQL Tuning with Oracle SQLTXPLAIN

Stelios Charalambides
Oracle SQL Tuning with Oracle SQLTXPLAIN Book PDF

Author : Stelios Charalambides
Publisher : Apress
Page : 332 pages
File Size : 50,6 Mb
Release : 2013-04-13
Category : Computers
ISBN : 9781430248101

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Oracle SQL Tuning with Oracle SQLTXPLAIN by Stelios Charalambides Pdf

Oracle SQL Tuning with SQLTXPLAIN is a practical guide to SQL tuning the way Oracle's own experts do it, using a freely downloadable tool called SQLTXPLAIN. Using this simple tool you'll learn how to tune even the most complex SQL, and you'll learn to do it quickly, without the huge learning curve usually associated with tuning as a whole. Firmly based in real world problems, this book helps you reclaim system resources and avoid the most common bottleneck in overall performance, badly tuned SQL. You'll learn how the optimizer works, how to take advantage of its latest features, and when it's better to turn them off. Quickly tune any SQL statement no matter how complex. Build and tune test cases without affecting production. Use the latest tuning features with confidence.

Oracle High Performance Tuning for 9i and 10g

Gavin JT Powell
Oracle High Performance Tuning for 9i and 10g Book PDF

Author : Gavin JT Powell
Publisher : Elsevier
Page : 544 pages
File Size : 51,7 Mb
Release : 2003-12-29
Category : Computers
ISBN : 9780080513294

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Oracle High Performance Tuning for 9i and 10g by Gavin JT Powell Pdf

There are three parts to tuning an Oracle database: data modeling, SQL code tuning and physical database configuration. A data model contains tables and relationships between tables. Tuning a data model involves normalization and de-normalization. Different approaches are required depending on the application, such as OLTP or a Data Warehouse. Inappropriate database design can make SQL code impossible to tune. Poor data modeling can have a most profound effect on database performance since all SQL code is constructed from the data model. Poorly written SQL code is often a culprit of performance problems and is expensive to rectify. However, tuning of SQL code is generally cheaper than changing the data model. SQL code tends to be contained inside independent blocks within applications or stored procedures. Physical database tuning involves hardware resource usage, networking and various other Oracle things such as configuration and file distribution. Physical configuration is often a culprit of poor performance where Oracle is installed with defaults, and never altered by an expert. *Includes all three aspects of Oracle database tuning: data model tuning, SQL & PL/SQL code tuning, physical plus configuration tuning *Contains experienced guidance and real-world examples using large datasets *Emphasizes development as opposed to operating system perspective

Oracle SQL and PL/SQL Performance Tuning

Niraj Gupta
Oracle SQL and PL SQL Performance Tuning Book PDF

Author : Niraj Gupta
Publisher : Createspace Independent Publishing Platform
Page : 42 pages
File Size : 42,7 Mb
Release : 2015-11-17
Category : Electronic
ISBN : 1542844207

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Oracle SQL and PL/SQL Performance Tuning by Niraj Gupta Pdf

SQL and PL/SQL Query Tuning and Optimization Tips and Tricks

Oracle PL/SQL Programming

Steven Feuerstein,Bill Pribyl
Oracle PL SQL Programming Book PDF

Author : Steven Feuerstein,Bill Pribyl
Publisher : "O'Reilly Media, Inc."
Page : 1028 pages
File Size : 55,5 Mb
Release : 2002
Category : Computers
ISBN : 0596003811

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Oracle PL/SQL Programming by Steven Feuerstein,Bill Pribyl Pdf

The authors have revised and updated this bestseller to include both the Oracle8i and new Oracle9i Internet-savvy database products.

Oracle Performance Survival Guide

Guy Harrison
Oracle Performance Survival Guide Book PDF

Author : Guy Harrison
Publisher : Pearson Education
Page : 933 pages
File Size : 45,9 Mb
Release : 2009-10-09
Category : Computers
ISBN : 9780137000500

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Oracle Performance Survival Guide by Guy Harrison Pdf

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

Pro Oracle SQL

Karen Morton,Robyn Sands,Jared Still,Riyaj Shamsudeen,Kerry Osborne
Pro Oracle SQL Book PDF

Author : Karen Morton,Robyn Sands,Jared Still,Riyaj Shamsudeen,Kerry Osborne
Publisher : Apress
Page : 588 pages
File Size : 44,8 Mb
Release : 2011-08-13
Category : Computers
ISBN : 9781430232292

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Pro Oracle SQL by Karen Morton,Robyn Sands,Jared Still,Riyaj Shamsudeen,Kerry Osborne Pdf

Pro Oracle SQL unlocks the power of SQL in the Oracle Database—one of the most potent SQL implementations on the market today. To master it requires a three-pronged approach: learn the language features, learn the supporting features that Oracle provides to help use the language effectively, and learn to think and work in sets. Karen Morton and her team help you master powerful aspects of Oracle SQL not found in competing databases. You’ll learn analytic functions, the MODEL clause, and advanced grouping syntax—features that will help in creating good queries for reporting and business intelligence applications. Pro Oracle SQL also helps you minimize parsing overhead, read execution plans, test for correct results, and exert control over SQL execution in your database. You’ll learn when to create indexes, how to verify that they make a difference, how to use SQL Profiles to optimize SQL in packaged applications, and much more. You’ll also understand how SQL is optimized for working in sets, and that the key to getting accurate results lies in making sure that queries ask clear and precise questions. What’s the bottom-line? Pro Oracle SQL helps you work at a truly professional level in Oracle dialect of SQL. You’ll master the language, the tools to work effectively with the language, and the right way to think about a problem in SQL. Pro Oracle SQL helps you rise above the crowd to provide stellar service in your chosen profession. Endorsed by the OakTable Network, a group of Oracle technologists well-known for their rigorous and scientific approach to Oracle Database performance Comprehensive—goes beyond the language with a focus on what you need to know to write successful queries and data manipulation statements.

Oracle PL/SQL for DBAs

Arup Nanda,Steven Feuerstein
Oracle PL SQL for DBAs Book PDF

Author : Arup Nanda,Steven Feuerstein
Publisher : "O'Reilly Media, Inc."
Page : 458 pages
File Size : 43,9 Mb
Release : 2005-10-31
Category : Computers
ISBN : 9781449378998

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Oracle PL/SQL for DBAs by Arup Nanda,Steven Feuerstein Pdf

PL/SQL, Oracle's powerful procedural language, has been the cornerstone of Oracle application development for nearly 15 years. Although primarily a tool for developers, PL/SQL has also become an essential tool for database administration, as DBAs take increasing responsibility for site performance and as the lines between developers and DBAs blur. Until now, there has not been a book focused squarely on the language topics of special concern to DBAs Oracle PL/SQL for DBAs fills the gap. Covering the latest Oracle version, Oracle Database 10g Release 2 and packed with code and usage examples, it contains: A quick tour of the PL/SQL language, providing enough basic information about language fundamentals to get DBAs up and running Extensive coverage of security topics for DBAs: Encryption (including both traditional methods and Oracle's new Transparent Data Encryption, TDE); Row-Level Security(RLS), Fine-Grained Auditing (FGA); and random value generation Methods for DBAs to improve query and database performance with cursors and table functions Coverage of Oracle scheduling, which allows jobs such as database monitoring andstatistics gathering to be scheduled for regular execution Using Oracle's built-in packages (DBMS_CRYPTO, DBMS_RLS, DBMS_FGA, DBMS_RANDOM,DBMS_SCHEDULING) as a base, the book describes ways of building on top of these packages to suit particular organizational needs. Authors are Arup Nanda, Oracle Magazine 2003 DBA of the Year, and Steven Feuerstein, the world's foremost PL/SQL expert and coauthor of the classic reference, Oracle PL/SQL Programming. DBAs who have not yet discovered how helpful PL/SQL can be will find this book a superb introduction to the language and its special database administration features. Even if you have used PL/SQL for years, you'll find the detailed coverage in this book to be an invaluable resource.

Mastering Oracle PL/SQL

Christopher Beck,Joel Kallman,Chaim Katz,David C. Knox,Connor McDonald
Mastering Oracle PL SQL Book PDF

Author : Christopher Beck,Joel Kallman,Chaim Katz,David C. Knox,Connor McDonald
Publisher : Apress
Page : 637 pages
File Size : 51,7 Mb
Release : 2008-01-01
Category : Computers
ISBN : 9781430207023

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Mastering Oracle PL/SQL by Christopher Beck,Joel Kallman,Chaim Katz,David C. Knox,Connor McDonald Pdf

If you have mastered the fundamentals of the PL/SQL language and are now looking for an in-depth, practical guide to solving real problems with PL/SQL stored procedures, then this is the book for you.