Cost Based Oracle Fundamentals

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Cost-Based Oracle Fundamentals

Author : Jonathan Lewis
Publisher : Apress
ISBN 13 : 1590596366
Total Pages : 525 pages
Book Rating : 4.5/5 (95 download)

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Book Synopsis Cost-Based Oracle Fundamentals by : Jonathan Lewis

Download or read book Cost-Based Oracle Fundamentals written by Jonathan Lewis and published by Apress. This book was released on 2005-11-02 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: The question, "Why isn’t Oracle using my index?" must be one of the most popular (or perhaps unpopular) questions ever asked on the Oracle help forums. You’ve picked exactly the right columns, you’ve got them in the ideal order, you’ve computed statistics, you’ve checked for null columns—and the optimizer flatly refuses to use your index unless you hint it. What could possibly be going wrong? If you’ve suffered the frustration of watching the optimizer do something completely bizarre when the best execution plan is totally obvious, or spent hours or days trying to make the optimizer do what you want it to do, then this is the book you need. You’ll come to know how the optimizer thinks, understand why it makes mistakes, and recognize the data patterns that make it go awry. With this information at your fingertips, you will save an enormous amount of time on designing and trouble-shooting your SQL. The cost-based optimizer is simply a piece of code that contains a model of how Oracle databases work. By applying this model to the statistics about your data, the optimizer tries to efficiently convert your query into an executable plan. Unfortunately, the model can't be perfect, your statistics can't be perfect, and the resulting execution plan may be far from perfect. In Cost-Based Oracle Fundamentals, the first book in a series of three, Jonathan Lewis—one of the foremost authorities in this field—describes the most commonly used parts of the model, what the optimizer does with your statistics, and why things go wrong. With this information, you’ll be in a position to fix entire problem areas, not just single SQL statements, by adjusting the model or creating more truthful statistics.

Cost-Based Oracle Fundamentals

Author : Jonathan Lewis
Publisher : Apress
ISBN 13 : 1430200871
Total Pages : 521 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Cost-Based Oracle Fundamentals by : Jonathan Lewis

Download or read book Cost-Based Oracle Fundamentals written by Jonathan Lewis and published by Apress. This book was released on 2006-11-10 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: Jonathan Lewis is one of the world's foremost authorities in this field (he is frequently quoted and reference by other leading experts, such as Tom Kyte – see for example http://asktom.oracle.com/pls/ask/download_file?p_file=3067171813508366601 Book will be strongly co-promoted with Tom Kyte's Expert Oracle Database Architecture (1-59059-530-0) Highlights traps for those migrating from Oracle 8i to 9i to 10g, potentially averting often disastrous performance issues and downtime (=lost revenue) The first comprehensive book written to investigate, describe, and demonstrate the methods used by the Cost Based Optimizer Jonathan is one of very few Oracle authors to maintain online enhancements, errata and addenda pages, so the reader will be supported long after the book is published

Oracle Database Foundations

Author : Bob Bryla
Publisher : John Wiley & Sons
ISBN 13 : 078215123X
Total Pages : 365 pages
Book Rating : 4.7/5 (821 download)

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Book Synopsis Oracle Database Foundations by : Bob Bryla

Download or read book Oracle Database Foundations written by Bob Bryla and published by John Wiley & Sons. This book was released on 2006-07-14 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world of IT is always evolving, but in every area there are stable, core concepts that anyone just setting out needed to know last year, needs to know this year, and will still need to know next year. The purpose of the Foundations series is to identify these concepts and present them in a way that gives you the strongest possible starting point, no matter what your endeavor. Oracle Database Foundations provides essential knowledge about installing, configuring, maintaining, and querying Oracle 9i and 10g databases. What you learn here will benefit you in the short term, as you acquire and practice your skills, and in the long term, as you use them. Topics covered include: Basic relational database concepts Reporting and querying using SQL*Plus and iSQL*Plus Creating and maintaining a database Managing user access and security Understanding Oracle database functions Using multiple tables in a query Restricting, sorting, and grouping data Optimizing database performance Creating backups Troubleshooting database errors

Oracle Core: Essential Internals for DBAs and Developers

Author : Jonathan Lewis
Publisher : Apress
ISBN 13 : 1430239557
Total Pages : 276 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Oracle Core: Essential Internals for DBAs and Developers by : Jonathan Lewis

Download or read book Oracle Core: Essential Internals for DBAs and Developers written by Jonathan Lewis and published by Apress. This book was released on 2012-01-29 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oracle Core: Essential Internals for DBAs and Developers by Jonathan Lewis provides just the essential information about Oracle Database internals that every database administrator needs for troubleshooting—no more, no less. Oracle Database seems complex on the surface. However, its extensive feature set is really built upon upon a core infrastructure resulting from sound architectural decisions made very early on that have stood the test of time. This core infrastructure manages transactions and the ability to commit and roll back changes, protects the integrity of the database, enables backup and recovery, and allows for scalability to thousands of users all accessing the same data. Most performance, backup, and recovery problems that database administrators face on a daily basis can easily be identified through understanding the essential core of Oracle Database architecture that Lewis describes in this book. Provides proven content from a world-renowned performance and troubleshooting expert Emphasizes the significance of internals knowledge to rapid identification of database performance problems Covers the core essentials and does not waste your time with esoterica

Oracle PL/SQL Programming

Author : Steven Feuerstein
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 9780596003814
Total Pages : 1028 pages
Book Rating : 4.0/5 (38 download)

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Book Synopsis Oracle PL/SQL Programming by : Steven Feuerstein

Download or read book Oracle PL/SQL Programming written by Steven Feuerstein and published by "O'Reilly Media, Inc.". This book was released on 2002 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors have revised and updated this bestseller to include both the Oracle8i and new Oracle9i Internet-savvy database products.

Easy Oracle SQL

Author : John Garmany
Publisher : Rampant TechPress
ISBN 13 : 0972751378
Total Pages : 256 pages
Book Rating : 4.9/5 (727 download)

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Book Synopsis Easy Oracle SQL by : John Garmany

Download or read book Easy Oracle SQL written by John Garmany and published by Rampant TechPress. This book was released on 2005 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: Targeted at Oracle professionals who need fast and accurate working examples of complex issues, Oracle In-focus books target specific areas of Oracle technology in a concise manner. Plenty of working code is provided without a lot of theory, allowing database managers to solve their problems quickly without reviewing data that they already know. All code scripts are available for instant download from a companion web site.

Oracle PL/SQL Best Practices

Author : Steven Feuerstein
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1449378765
Total Pages : 207 pages
Book Rating : 4.4/5 (493 download)

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Book Synopsis Oracle PL/SQL Best Practices by : Steven Feuerstein

Download or read book Oracle PL/SQL Best Practices written by Steven Feuerstein and published by "O'Reilly Media, Inc.". This book was released on 2001-04-09 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Optimizing Oracle Performance

Author : Cary Millsap
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1449366783
Total Pages : 418 pages
Book Rating : 4.4/5 (493 download)

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Book Synopsis Optimizing Oracle Performance by : Cary Millsap

Download or read book Optimizing Oracle Performance written by Cary Millsap and published by "O'Reilly Media, Inc.". This book was released on 2003-09-16 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Oracle Performance Survival Guide

Author : Guy Harrison
Publisher : Pearson Education
ISBN 13 : 0137000502
Total Pages : 933 pages
Book Rating : 4.1/5 (37 download)

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Book Synopsis Oracle Performance Survival Guide by : Guy Harrison

Download or read book Oracle Performance Survival Guide written by Guy Harrison and published by Pearson Education. This book was released on 2009-10-09 with total page 933 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Oca Oracle Database 11g Database Administration I

Author : Steve Ries
Publisher : Packt Publishing Ltd
ISBN 13 : 1849687315
Total Pages : 777 pages
Book Rating : 4.8/5 (496 download)

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Book Synopsis Oca Oracle Database 11g Database Administration I by : Steve Ries

Download or read book Oca Oracle Database 11g Database Administration I written by Steve Ries and published by Packt Publishing Ltd. This book was released on 2013-02-22 with total page 777 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developed as a practical book, "Oracle Database 11g Administration I Certification Guide" will show you all you need to know to effectively excel at being an Oracle DBA, for both examinations and the real world. This book is for anyone who needs the essential skills to become an Oracle DBA, pass the Oracle Database Administration I exam, and use those skills in the real world to manage secure, high performance, and highly available Oracle databases.

Oracle PL/SQL Language Pocket Reference

Author : Steven Feuerstein
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596551614
Total Pages : 181 pages
Book Rating : 4.5/5 (965 download)

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Book Synopsis Oracle PL/SQL Language Pocket Reference by : Steven Feuerstein

Download or read book Oracle PL/SQL Language Pocket Reference written by Steven Feuerstein and published by "O'Reilly Media, Inc.". This book was released on 2007-10-23 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fourth edition of this popular pocket guide provides quick-reference information that will help you use Oracle's PL/SQL language, including the newest Oracle Database 11g features. It's a companion to Steven Feuerstein and Bill Pribyl's bestselling Oracle PL/SQL Programming. This concise guide boils down the most vital PL/SQL information into an accessible summary of: Fundamental language elements (e.g., block structure, datatypes, declarations) Statements for program control, cursor management, and exception handling Records, procedures, functions, triggers, and packages Calling PL/SQL functions in SQL Compilation options, object-oriented features, collections, and Java integration The new edition describes such Oracle Database 11g elements as PL/SQL's function result cache, compound triggers, the CONTINUE statement, the SIMPLE_INTEGER datatype, and improvements to native compilation, regular expressions, and compiler optimization (including intra-unit inlining). In addition, this book now includes substantial new sections on Oracle's built-in functions and packages. When you need answers quickly, the Oracle PL/SQL Language Pocket Reference will save you hours of frustration.

Oracle Fundamentals (Second Edition)

Author : Element K Content LLC
Publisher :
ISBN 13 : 9780758028532
Total Pages : pages
Book Rating : 4.0/5 (285 download)

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Book Synopsis Oracle Fundamentals (Second Edition) by : Element K Content LLC

Download or read book Oracle Fundamentals (Second Edition) written by Element K Content LLC and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Oracle Database 11g SQL

Author : Jason Price
Publisher : McGraw Hill Professional
ISBN 13 : 0071596135
Total Pages : 656 pages
Book Rating : 4.0/5 (715 download)

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Book Synopsis Oracle Database 11g SQL by : Jason Price

Download or read book Oracle Database 11g SQL written by Jason Price and published by McGraw Hill Professional. This book was released on 2007-11-26 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: Write powerful SQL statements and PL/SQL programs Learn to access Oracle databases through SQL statements and construct PL/SQL programs with guidance from Oracle expert, Jason Price. Published by Oracle Press, Oracle Database 11g SQL explains how to retrieve and modify database information, use SQL Plus and SQL Developer, work with database objects, write PL/SQL programs, and much more. Inside, you'll find in-depth coverage of the very latest SQL features and tools, performance optimization techniques, advanced queries, Java support, and XML. This book contains everything you need to master SQL. Explore SQL Plus and SQL Developer Use SQL SELECT, INSERT, UPDATE, and DELETE statements Write PL/SQL programs Create tables, sequences, indexes, views, and triggers Write advanced queries containing complex analytical functions Create database objects and collections to handle abstract data Use large objects to handle multimedia files containing music and movies Write Java programs to access an Oracle Database using JDBC Tune your SQL statements to make them execute faster Explore the XML capabilities of the Oracle Database Master the very latest Oracle Database 11g features, such as PIVOT and UNPIVOT, flashback archives, and much more

Oracle Wait Interface: A Practical Guide to Performance Diagnostics & Tuning

Author : Richmond Shee
Publisher : McGraw Hill Professional
ISBN 13 : 0071483756
Total Pages : 384 pages
Book Rating : 4.0/5 (714 download)

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Book Synopsis Oracle Wait Interface: A Practical Guide to Performance Diagnostics & Tuning by : Richmond Shee

Download or read book Oracle Wait Interface: A Practical Guide to Performance Diagnostics & Tuning written by Richmond Shee and published by McGraw Hill Professional. This book was released on 2004-07-16 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Troubleshoot, tune, and optimize your Oracle database efficiently and successfully every time. This book explains how to take full advantage of the revolutionary Oracle Wait Interface to quickly pinpoint--and solve--core problems and bottlenecks, and increase productivity exponentially.

Oracle SQL Tuning with Oracle SQLTXPLAIN

Author : Stelios Charalambides
Publisher : Apress
ISBN 13 : 1484224361
Total Pages : 412 pages
Book Rating : 4.4/5 (842 download)

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Book Synopsis Oracle SQL Tuning with Oracle SQLTXPLAIN by : Stelios Charalambides

Download or read book Oracle SQL Tuning with Oracle SQLTXPLAIN written by Stelios Charalambides and published by Apress. This book was released on 2017-04-05 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn through this practical guide to SQL tuning how Oracle's own experts do it, using a freely downloadable tool called SQLTXPLAIN. This new edition has been expanded to include AWR, Oracle 12c Statistics, interpretation of SQL Monitor reports, Parallel execution, and Exadata-related features. Reading this book and using SQL helps you learn 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. Best of all, the book is updated to cover the very latest feature set in Oracle Database 12c. Covers AWR report integration Helps with SQL Monitor Report Interpretation Provides a reliable method that is repeatable Shows the very latest tuning features in Oracle Database 12c Enables the building of test cases without affecting production What You'll Learn Identify how and why complex SQL has gone wrong Correctly interpret AWR reports generated via SQLTXPLAIN Collect the best statistics for your environment Know when to invoke built-in tuning facilities Recognize when tuning is not the solution Spot the steps in a SQL statement's execution plan that are critical to performance of that statement Modify your SQL to solve performance problems and increase the speed and throughput of production database systems Who This Book Is For divAnyone who deals with SQL and SQL tuning. Both developers and DBAs will benefit from learning how to use the SQLTXPLAIN tool, and from the problem solving methodology in this book.

Expert Oracle RAC Performance Diagnostics and Tuning

Author : Murali Vallath
Publisher : Apress
ISBN 13 : 1430267100
Total Pages : 690 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Expert Oracle RAC Performance Diagnostics and Tuning by : Murali Vallath

Download or read book Expert Oracle RAC Performance Diagnostics and Tuning written by Murali Vallath and published by Apress. This book was released on 2014-10-13 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expert Oracle RAC Performance Diagnostics and Tuning provides comprehensive coverage of the features, technology and principles for testing and tuning RAC databases. The book takes a deep look at optimizing RAC databases by following a methodical approach based on scientific analysis rather than using a speculative approach, twisting and turning knobs and gambling on the system. The book starts with the basic concepts of tuning methodology, capacity planning, and architecture. Author Murali Vallath then dissects the various tiers of the testing implementation, including the operating system, the network, the application, the storage, the instance, the database, and the grid infrastructure. He also introduces tools for performance optimization and thoroughly covers each aspect of the tuning process, using many real-world examples, analyses, and solutions from the field that provide you with a solid, practical, and replicable approach to tuning a RAC environment. The book concludes with troubleshooting guidance and quick reference of all the scripts used in the book. Expert Oracle RAC Performance Diagnostics and Tuning covers scenarios and details never discussed before in any other performance tuning books. If you have a RAC database, this book is a requirement. Get your copy today. Takes you through optimizing the various tiers of the RAC environment. Provides real life case studies, analysis and solutions from the field. Maps a methodical approach to testing, tuning and diagnosing the cluster

Secrets of the Oracle Database

Author : Norbert Debes
Publisher : Apress
ISBN 13 : 143021953X
Total Pages : 510 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Secrets of the Oracle Database by : Norbert Debes

Download or read book Secrets of the Oracle Database written by Norbert Debes and published by Apress. This book was released on 2010-08-03 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: Secrets of the Oracle Database is the definitive guide to undocumented and partially-documented features of the Oracle Database server. Covering useful but little-known features from Oracle Database 9 through Oracle Database 11, this book will improve your efficiency as an Oracle database administrator or developer. Norbert Debes shines the light of day on features that help you master more difficult administrative, tuning, and troubleshooting tasks than you ever thought possible. Finally, in one place, you have at your fingertips knowledge that previously had to be acquired through years of experience and word of mouth through knowing the right people. What Norbert writes is accurate, well-tested, well-illustrated by clear examples, and sure to improve your ability to make an impact on your day-to-day work with Oracle.