Oracle Database 11g Performance Tuning Recipes

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Oracle Database 11g Performance Tuning Recipes

Author : Sam Alapati
Publisher : Apress
ISBN 13 : 1430236639
Total Pages : 584 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Oracle Database 11g Performance Tuning Recipes by : Sam Alapati

Download or read book Oracle Database 11g Performance Tuning Recipes written by Sam Alapati and published by Apress. This book was released on 2011-10-18 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 11g Performance Tuning Recipes delivers. Oracle Database 11g 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 Written by a team of experienced database administrators successful in their careers

Oracle Database 11gR2 Performance Tuning Cookbook

Author : Ciro Fiorillo
Publisher : Packt Publishing Ltd
ISBN 13 : 1849682615
Total Pages : 835 pages
Book Rating : 4.8/5 (496 download)

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Book Synopsis Oracle Database 11gR2 Performance Tuning Cookbook by : Ciro Fiorillo

Download or read book Oracle Database 11gR2 Performance Tuning Cookbook written by Ciro Fiorillo and published by Packt Publishing Ltd. This book was released on 2012-01-01 with total page 835 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book you will find both examples and theoretical concepts covered. Every recipe is based on a script/procedure explained step-by-step, with screenshots, while theoretical concepts are explained in the context of the recipe, to explain why a solution performs better than another. This book is aimed at software developers, software and data architects, and DBAs who are using or are planning to use the Oracle Database, who have some experience and want to solve performance problems faster and in a rigorous way. If you are an architect who wants to design better applications, a DBA who is keen to dig into the causes of performance issues, or a developer who wants to learn why and where the application is running slow, this is the book for you. Basic knowledge of SQL language is required and general knowledge of the Oracle Database architecture is preferable.

Oracle Database 12c Performance Tuning Recipes

Author : Sam Alapati
Publisher : Apress
ISBN 13 : 1430261889
Total Pages : 621 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Oracle Database 12c Performance Tuning Recipes by : Sam Alapati

Download or read book Oracle Database 12c Performance Tuning Recipes written by Sam Alapati and published by Apress. This book was released on 2014-01-21 with total page 621 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

RMAN Recipes for Oracle Database 11g

Author : Sam Alapati
Publisher : Apress
ISBN 13 : 1430203056
Total Pages : 704 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis RMAN Recipes for Oracle Database 11g by : Sam Alapati

Download or read book RMAN Recipes for Oracle Database 11g written by Sam Alapati and published by Apress. This book was released on 2007-09-01 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, Oracle experts Darl Kuhn, Sam Alapati, and Arup Nanda show you the power of Recovery Manager, or RMAN, which is Oracle's backup and recovery tool of choice. Oracle RMAN Recipes helps you take advantage of all that RMAN has to offer. This handy guide demystifies the steps required to protect your business data. It provides ready-made and example-based solutions to common (and some not-so-common) backup and recovery operations.

Oracle 11g Anti-Hacker's Cookbook

Author : Adrian Neagu
Publisher : Packt Publishing Ltd
ISBN 13 : 9781849685276
Total Pages : 514 pages
Book Rating : 4.6/5 (852 download)

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Book Synopsis Oracle 11g Anti-Hacker's Cookbook by : Adrian Neagu

Download or read book Oracle 11g Anti-Hacker's Cookbook written by Adrian Neagu and published by Packt Publishing Ltd. This book was released on 2012-10-25 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: This cookbook has recipes written in simple, easy to understand format with lots of screenshots and insightful tips and hints. If you are an Oracle Database Administrator, Security Manager or Security Auditor looking to secure the Oracle Database or prevent it from being hacked, then this book is for you. This book assumes you have a basic understanding of security concepts.

Oracle SQL Recipes

Author : Grant Allen
Publisher : Apress
ISBN 13 : 1430225106
Total Pages : 550 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Oracle SQL Recipes by : Grant Allen

Download or read book Oracle SQL Recipes written by Grant Allen and published by Apress. This book was released on 2010-01-08 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: Have you ever been faced with a new type of query to write, or been asked to create an unfamiliar database object? In such situations, you have probably wanted a good, solid example upon which to build, and instead have been forced into the drudgery of parsing railroad-style syntax diagrams in Oracle's manual set. This book frees you from that drudgery by providing tested and working examples of SQL used to solve common problems faced by developers and database administrators on a daily basis. When you're under pressure to get results fast, Oracle SQL Recipes is there at your side. Example-based, providing quality solutions to everyday problems Respects your time by putting solutions first and keeping discussions short Solves the most commonly encountered SQL problems

Oracle Soa Suite Performance Tuning Cookbook

Author : Matthew Brasier
Publisher : Packt Publishing Ltd
ISBN 13 : 1849688850
Total Pages : 482 pages
Book Rating : 4.8/5 (496 download)

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Book Synopsis Oracle Soa Suite Performance Tuning Cookbook by : Matthew Brasier

Download or read book Oracle Soa Suite Performance Tuning Cookbook written by Matthew Brasier and published by Packt Publishing Ltd. This book was released on 2013-01-01 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a Cookbook with interesting, hands-on recipes, giving detailed descriptions and lots of practical walkthroughs for boosting the performance of your Oracle SOA Suite.This book is for Oracle SOA Suite 11g administrators, developers, and architects who want to understand how they can maximise the performance of their SOA Suite infrastructure. The recipes contain easy to follow step-by-step instructions and include many helpful and practical tips. It is suitable for anyone with basic operating system and application server administration experience.

Expert Indexing in Oracle Database 11g

Author : Darl Kuhn
Publisher : Apress
ISBN 13 : 1430237368
Total Pages : 264 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Expert Indexing in Oracle Database 11g by : Darl Kuhn

Download or read book Expert Indexing in Oracle Database 11g written by Darl Kuhn and published by Apress. This book was released on 2012-03-23 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expert Indexing in Oracle Database 11g is about the one database structure at the heart of almost all performance concerns: the index. Database system performance is one of the top concerns in information technology today. Administrators struggle to keep up with the explosion of access and activity driven by the proliferation of computing into everything from phones to tablets to PCs in our increasingly connected world. At the heart of any good-performing database lies a sound indexing strategy that makes appropriate use of indexing, and especially of the vendor-specific indexing features on offer. Few databases fully exploit the wealth of data access mechanisms provided by Oracle. Expert Indexing in Oracle Database 11g helps by bringing together information indexing and how to use it into one, convenient and blissfully short volume that you can read quickly and have at your fingertips for reference. Learn the different types of indices available and when each is best applied. Recognize when queries aren’t using indices as you intend. Manage your indexing for maximum performance. Let Expert Indexing in Oracle Database 11g be your guide to deep mastery of the most fundamental performance optimization structure in Oracle Database. Explains how indices work, how they help, and how they hinder Demystifies the various index choices Describes the database administration chores associated with indices

Expert Oracle RAC 12c

Author : Riyaj Shamsudeen
Publisher : Apress
ISBN 13 : 1430250445
Total Pages : 454 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Expert Oracle RAC 12c by : Riyaj Shamsudeen

Download or read book Expert Oracle RAC 12c written by Riyaj Shamsudeen and published by Apress. This book was released on 2013-08-13 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expert Oracle RAC 12c is a hands-on book helping you understand and implement Oracle Real Application Clusters (RAC), and to reduce the total-cost-of-ownership (TCO) of a RAC database. As a seasoned professional, you are probably aware of the importance of understanding the technical details behind the RAC stack. This book provides deep understanding of RAC concepts and implementation details that you can apply toward your day-to-day operational practices. You’ll be guided in troubleshooting and avoiding trouble in your installation. Successful RAC operation hinges upon a fast-performing network interconnect, and this book dedicates a chapter solely to that very important and easily overlooked topic. All four authors are experienced RAC engineers with a wealth of hard-won experience encountering and surmounting the challenges of running a RAC environment that delivers on its promise. In Expert Oracle RAC 12c they provide you a framework in which to avoid repeating their hard-won lessons. Their goal is for you to manage your own RAC environment with ease and expertise. Provides a deep conceptual understanding of RAC Provides best practices to implement RAC properly and match application workload Enables readers to troubleshoot RAC with ease What you’ll learn Know when to apply RAC, and when not to Design applications to take advantage of RAC Troubleshoot and solve clusterware problems Manage database backup and recovery in RAC Stay on top of locking issues and deadlock detection Harness the performance from parallel processing in RAC Support your RAC environment with a healthy network interconnect Who this book is for Expert Oracle RAC 12c is for experienced Oracle Database Administrators (DBAs) who are ready to take the next step in their career by expanding their skill set to include building and managing Oracle Real Application Clusters (RAC). DBAs and architects who are in the process of implementing RAC can immensely benefit from this book. It’s an excellent choice for DBAs to learn RAC conceptually, understand best practices, and become experts in troubleshooting RAC problems. Table of ContentsOverview of Oracle RAC Clusterware Management and Troubleshooting RAC Operational Practices RAC New Features Storage and ASM Practices Application Design Issues Managing and Optimizing a Complex RAC Environment Backup and Recovery in RAC Network Practices in RAC RAC Database Optimization Locks and Deadlocks Parallel Query in RAC Clusterware and Database Upgrades Oracle RAC One Node

Oracle SQL Tuning Pocket Reference

Author : Mark Gurry
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596552130
Total Pages : 113 pages
Book Rating : 4.5/5 (965 download)

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Book Synopsis Oracle SQL Tuning Pocket Reference by : Mark Gurry

Download or read book Oracle SQL Tuning Pocket Reference written by Mark Gurry and published by "O'Reilly Media, Inc.". This book was released on 2002-01-01 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 WebLogic Server 12c Advanced Administration Cookbook

Author : Dalton Iwazaki
Publisher : Packt Publishing Ltd
ISBN 13 : 1849686858
Total Pages : 445 pages
Book Rating : 4.8/5 (496 download)

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Book Synopsis Oracle WebLogic Server 12c Advanced Administration Cookbook by : Dalton Iwazaki

Download or read book Oracle WebLogic Server 12c Advanced Administration Cookbook written by Dalton Iwazaki and published by Packt Publishing Ltd. This book was released on 2013-01-01 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using real life problems and simple solutions this book will make any issue seem small. WebLogic Server books can be a bit dry but Dalton keeps the tone light and ensures no matter how complex the problem you always feel like you have someone right there with you helping you along. This book is ideal for those who know the basics of WebLogic but want to dive deeper and get to grips with more advanced topics. So if you are a datacenter operator, system administrator or even a Java developer this book could be exactly what you are looking for to take you one step further with Oracle WebLogic Serv.

Oracle 11g R1/R2 Real Application Clusters Essentials

Author : Ben Prusinski
Publisher : Packt Publishing Ltd
ISBN 13 : 1849682674
Total Pages : 520 pages
Book Rating : 4.8/5 (496 download)

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Book Synopsis Oracle 11g R1/R2 Real Application Clusters Essentials by : Ben Prusinski

Download or read book Oracle 11g R1/R2 Real Application Clusters Essentials written by Ben Prusinski and published by Packt Publishing Ltd. This book was released on 2011-05-23 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation Oracle RAC or Real Application Clusters is a grid computing solution that allows multiple nodes (servers) in a clustered system to mount and open a single database that resides on shared disk storage. Should a single system (node) fail, the database service will still be available on the remaining nodes. Oracle RAC is an integral part of the Oracle database setup. You have one database with multiple users accessing it, in real time. This book will enable DBAs to get their finger on the pulse of the Oracle 11g RAC environment quickly and easily. This book will cover all areas of the Oracle RAC environment and is indispensable if you are an Oracle DBA who is charged with configuring and implementing Oracle11g R1, with bonus R2 information included. This book presents a complete method for the configuration, installation, and design of Oracle 11g RAC, ultimately enabling rapid administration of Oracle 11g RAC environments. This practical handbook documents how to administer a complex Oracle 11g RAC environment. Packed with real world examples, expert tips and troubleshooting advice, the book begins by introducing the concept of Oracle RAC and High Availability. It then dives deep into the world of RAC configuration, installation and design, enabling you to support complex RAC environments for real world deployments. Chapters cover Oracle RAC and High Availability, Oracle 11g RAC Architecture, Oracle 11g RAC Installation, Automatic Storage Management, Troubleshooting, Workload Management and much more. By following the practical examples in this book, you will learn every concept of the RAC environment and how to successfully support complex Oracle 11g R1 and R2 RAC environments for various deployments within real world situations. This book is the updated release of our previous Oracle 11g R1/R2 Real Application Clusters Handbook. If you already own a copy of that Handbook, there is no need to upgrade to this book.

Oracle Data Guard 11g Handbook

Author : Larry Carpenter
Publisher : McGraw Hill Professional
ISBN 13 : 0071621482
Total Pages : 544 pages
Book Rating : 4.0/5 (716 download)

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Book Synopsis Oracle Data Guard 11g Handbook by : Larry Carpenter

Download or read book Oracle Data Guard 11g Handbook written by Larry Carpenter and published by McGraw Hill Professional. This book was released on 2009-07-22 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master Oracle Data Guard 11g Provide superior data protection, availability, and disaster recovery using the tested techniques in this Oracle Press guide. Cowritten by a team of Oracle experts, Oracle Data Guard 11g Handbook provides a sound architectural foundation along with best practices for configuration, monitoring, maintenance, and troubleshooting. You will get full details on implementing deployment architectures to address requirements that extend beyond disaster recovery. This invaluable resource also includes a complete set of monitoring scripts available for download. Develop a disaster recovery plan for your Oracle database to meet your organization's requirements Configure and deploy Oracle Data Guard for your environment Tune and troubleshoot your physical and logical standby databases Implement the Oracle Data Guard Broker management framework Integrate with Oracle Grid Control Monitor your Oracle Data Guard environment Enable read-only services and disaster recovery with Oracle Active Data Guard Configure seamless database and application failover Minimize planned downtime using Oracle Data Guard switchover Handle backup and recovery with Oracle Recovery Manager

RMAN Recipes for Oracle Database 12c

Author : Darl Kuhn
Publisher : Apress
ISBN 13 : 143024836X
Total Pages : 786 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis RMAN Recipes for Oracle Database 12c by : Darl Kuhn

Download or read book RMAN Recipes for Oracle Database 12c written by Darl Kuhn and published by Apress. This book was released on 2013-07-16 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: RMAN Recipes for Oracle Database 12c is an example-driven approach to the Oracle database administrator's #1 job responsibility: Be able to recover the database. Of all the things you are responsible for as database administrator, nothing is more important than the data itself. Like it or not, the fearsome responsibility of protecting your organization's most critical data falls squarely upon your shoulders: Lose that data and your company could fail. Lose that data and you could be out of a job. Oracle's flagship database product fortunately implements a wide-ranging feature set to aid you in the all-important task of safeguarding against data loss. Recovery Manager, or RMAN, is at the heart of that feature set, and is the tool most-often used to initiate database backup and recovery operations. In this book, well-known authors and database experts Darl Kuhn, Sam Alapati, and Arup Nanda have created a set of examples encompassing the gamut of backup and recovery tasks that you might need to perform. Sometimes, especially when the heat is on, a good example is what you need to get started towards a solution. RMAN Recipes for Oracle Database 12c delivers. It’ll be the book you reach for when that dreaded call comes in at 3:00am some dreary morning. It’ll be the book that lets you sleep at night knowing that no matter what transpires, that you've done your job well and can recover from any outage. RMAN Recipes for Oracle Database 12c gets right to the point with quick and easy-to-read, step-by-step solutions that can help you backup and recover your data with confidence. What you’ll learn Reliably back up and recover your database using Oracle's Recovery Manager Let Oracle Database manage your backup files via the Fast Recovery Area Automate backup and recovery tasks by writing scripts Troubleshoot RMAN problems and optimize RMAN performance Recover from the loss of a control file, loss of an online redo log, and from other unusual situations Who this book is for RMAN Recipes for Oracle Database 12c is aimed squarely at Oracle database administrators responsible for database backup and recovery operations. Table of Contents Backup and Recovery 101 Jump-Starting RMAN Using the Fast Recovery Area Using RMAN Configuring the RMAN Environment Using the Recovery Catalog Making Backups with RMAN Maintaining RMAN Backups and the Repository Scripting RMAN Restoring the Control File Performing Complete Recovery Performing Incomplete Recovery Performing Flashback Recovery Handling Online Redo Log Failures Duplicating Databases and Transporting Data Tuning RMAN Troubleshooting RMAN Implementing Oracle Secure Backup Performing Backup and Recovery with Enterprise Manager Using the Data Recovery Advisor Using RMAN on Windows DataGuard RMAN and RAC RMAN and ASM RMAN and Exadata

Expert Oracle Database 11g Administration

Author : Sam Alapati
Publisher : Apress
ISBN 13 : 1430210168
Total Pages : 1376 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Expert Oracle Database 11g Administration by : Sam Alapati

Download or read book Expert Oracle Database 11g Administration written by Sam Alapati and published by Apress. This book was released on 2009-01-10 with total page 1376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sam Alapati's Expert Oracle Database 11g Administration is a comprehensive handbook for Oracle database administrators (DBAs) using the 11g release of the Oracle Database. All key aspects of database administration are covered, including backup and recovery, day–to–day administration and monitoring, performance tuning, and more. This is the one book to have on your desk as a continual reference. Refer to it frequently. It'll help you get the job done. Comprehensive handbook for Oracle Database administrators. Covers all major aspects of database administration. Tests and explains in detail key DBA commands. Offers primers on Linux/Unix, data modeling, SQL, and PL/SQL.

Expert Hadoop 2 Administration

Author : Sam R. Alapati
Publisher : Addison-Wesley Professional
ISBN 13 : 0134703383
Total Pages : 2087 pages
Book Rating : 4.1/5 (347 download)

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Book Synopsis Expert Hadoop 2 Administration by : Sam R. Alapati

Download or read book Expert Hadoop 2 Administration written by Sam R. Alapati and published by Addison-Wesley Professional. This book was released on 2016-11-29 with total page 2087 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the eBook of the printed book and may not include any media, website access codes, or print supplements that may come packaged with the bound book. The Comprehensive, Up-to-Date Apache Hadoop Administration Handbook and Reference “Sam Alapati has worked with production Hadoop clusters for six years. His unique depth of experience has enabled him to write the go-to resource for all administrators looking to spec, size, expand, and secure production Hadoop clusters of any size.” —Paul Dix, Series Editor In Expert Hadoop® Administration, leading Hadoop administrator Sam R. Alapati brings together authoritative knowledge for creating, configuring, securing, managing, and optimizing production Hadoop clusters in any environment. Drawing on his experience with large-scale Hadoop administration, Alapati integrates action-oriented advice with carefully researched explanations of both problems and solutions. He covers an unmatched range of topics and offers an unparalleled collection of realistic examples. Alapati demystifies complex Hadoop environments, helping you understand exactly what happens behind the scenes when you administer your cluster. You’ll gain unprecedented insight as you walk through building clusters from scratch and configuring high availability, performance, security, encryption, and other key attributes. The high-value administration skills you learn here will be indispensable no matter what Hadoop distribution you use or what Hadoop applications you run. Understand Hadoop’s architecture from an administrator’s standpoint Create simple and fully distributed clusters Run MapReduce and Spark applications in a Hadoop cluster Manage and protect Hadoop data and high availability Work with HDFS commands, file permissions, and storage management Move data, and use YARN to allocate resources and schedule jobs Manage job workflows with Oozie and Hue Secure, monitor, log, and optimize Hadoop Benchmark and troubleshoot Hadoop

Oracle SQL Tuning with Oracle SQLTXPLAIN

Author : Stelios Charalambides
Publisher : Apress
ISBN 13 : 1430248106
Total Pages : 332 pages
Book Rating : 4.4/5 (32 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 2013-04-13 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.