Optimizing Oracle Performance

Author: Cary Millsap
Publisher: "O'Reilly Media, Inc."
ISBN: 9781449366780
Release Date: 2003-09-16
Genre: Computers

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.

Fundamentals of Performance Evaluation of Computer and Telecommunication Systems

Author: Mohammed S. Obaidat
Publisher: John Wiley & Sons
ISBN: 0470567198
Release Date: 2010-01-26
Genre: Computers

The only singular, all-encompassing textbook on state-of-the-art technical performance evaluation Fundamentals of Performance Evaluation of Computer and Telecommunication Systems uniquely presents all techniques of performance evaluation of computers systems, communication networks, and telecommunications in a balanced manner. Written by the renowned Professor Mohammad S. Obaidat and his coauthor Professor Noureddine Boudriga, it is also the only resource to treat computer and telecommunication systems as inseparable issues. The authors explain the basic concepts of performance evaluation, applications, performance evaluation metrics, workload types, benchmarking, and characterization of workload. This is followed by a review of the basics of probability theory, and then, the main techniques for performance evaluation—namely measurement, simulation, and analytic modeling—with case studies and examples. Contains the practical and applicable knowledge necessary for a successful performance evaluation in a balanced approach Reviews measurement tools, benchmark programs, design of experiments, traffic models, basics of queueing theory, and operational and mean value analysis Covers the techniques for validation and verification of simulation as well as random number generation, random variate generation, and testing with examples Features numerous examples and case studies, as well as exercises and problems for use as homework or programming assignments Fundamentals of Performance Evaluation of Computer and Telecommunication Systems is an ideal textbook for graduate students in computer science, electrical engineering, computer engineering, and information sciences, technology, and systems. It is also an excellent reference for practicing engineers and scientists.

The Practitioner s Guide to Statistics and Lean Six Sigma for Process Improvements

Author: Mikel Harry
Publisher: John Wiley & Sons
ISBN: 9780470114940
Release Date: 2010-01-19
Genre: Technology & Engineering

This hands-on book presents a complete understanding of Six Sigma and Lean Six Sigma through data analysis and statistical concepts In today's business world, Six Sigma, or Lean Six Sigma, is a crucial tool utilized by companies to improve customer satisfaction, increase profitability, and enhance productivity. Practitioner's Guide to Statistics and Lean Six Sigma for Process Improvements provides a balanced approach to quantitative and qualitative statistics using Six Sigma and Lean Six Sigma methodologies. Emphasizing applications and the implementation of data analyses as they relate to this strategy for business management, this book introduces readers to the concepts and techniques for solving problems and improving managerial processes using Six Sigma and Lean Six Sigma. Written by knowledgeable professionals working in the field today, the book offers thorough coverage of the statistical topics related to effective Six Sigma and Lean Six Sigma practices, including: Discrete random variables and continuous random variables Sampling distributions Estimation and hypothesis tests Chi-square tests Analysis of variance Linear and multiple regression Measurement analysis Survey methods and sampling techniques The authors provide numerous opportunities for readers to test their understanding of the presented material, as the real data sets, which are incorporated into the treatment of each topic, can be easily worked with using Microsoft Office Excel®, Minitab®, MindPro®, or Oracle's Crystal Ball® software packages. Examples of successful, complete Six Sigma and Lean Six Sigma projects are supplied in many chapters along with extensive exercises that range in level of complexity. The book is accompanied by an extensive FTP site that features manuals for working with the discussed software packages along with additional exercises and data sets. In addition, numerous screenshots and figures guide readers through the functional and visual methods of learning Six Sigma and Lean Six Sigma. Practitioner's Guide to Statistics and Lean Six Sigma for Process Improvements is an excellent book for courses on Six Sigma and statistical quality control at the upper-undergraduate and graduate levels. It is also a valuable reference for professionals in the fields of engineering, business, physics, management, and finance.

Oracle insights

Author: Mogens Norgaard
Publisher:
ISBN: UOM:39015060104505
Release Date: 2004-07-23
Genre: Computers

Provides insights into Oracle, covering such topics as the history of Oracle, YAPP methodology, SQL, DMA, CTD, testing and risk management, and BAARF.

SQL f r Dummies

Author: Allen G. Taylor
Publisher: John Wiley & Sons
ISBN: 9783527680399
Release Date: 2014-02-06
Genre: Computers

Datenbanken sind das beste Werkzeug, um wichtige Informationen im Auge zu behalten. Mit SQL k?nnen die vorhandenen Daten strukturiert und zielsicher abgefragt werden. In "SQL f?r Dummies" macht Allen G. Taylor die Leser mit der Abfragesprache SQL und dem aktuellen Standard SQL:2011 verst?ndlich und humorvoll vertraut. Er beginnt mit dem notwendigen Grundlagenwissen f?r den Aufbau eines Datenbankmanagementsystems und den SQL-Hauptkomponenten, zeigt auf, wie man die Daten erstellt, ordnet und abfragt und SQL-Anweisungen in Programme einbindet. Zudem erkl?rt er, wie SQL mit XML verkn?pft werden kann, um Websites mit einer Datenbank zu verbinden. Au?erdem gibt es jede Menge Profi-Informationen, wie man zum Beispiel Datenbanken und Daten sch?tzen kann und Fehler lokalisiert und behebt.

Oracle SQL Tuning

Author: Mark Gurry
Publisher: O'Reilly Verlag DE
ISBN: 3897212420
Release Date: 2002
Genre: Oracle (Computer file)


Flow Das Geheimnis des Gl cks

Author: Mihaly Csikszentmihalyi
Publisher: Klett-Cotta
ISBN: 9783608110036
Release Date: 2017-06-15
Genre: Psychology

Glück kommt nicht von außen, Glück ist das, was wir aus unseren Erfahrungen machen. Dieses Buch zeigt, dass Menschen dadurch, dass sie ihr eigenes Erleben kontrollieren, die Kontrolle über ihre Lebensqualität selbst in die eigene Hand nehmen. Auf diese Weise kommen sie dem Glück immer näher. »Csikszentmihalyi beweist, was Philosophen schon seit Jahrhunderten sagen: Der Weg zum Glücklichsein liegt nicht in hohler Vergnügungssucht, sondern in sinnvoller Herausforderung.« The New York Times Wer das Glück will, muss das Chaos im eigenen Kopf beherrschen. Wer frei sein will, muss nur seine Ziele kennen. Das Buch fasst jahrzehntelange Forschung über die positiven Aspekte menschlicher Erfahrungen zusammen: Freude, Kreativität und den Prozess vollständigen Einsseins mit dem Leben, den der Autor FLOW nennt. Glück ist nichts, was man mit Geld kaufen könnte. Glück ist flow. Jeder hat dieses Gefühl schon erlebt: über sich selbst zu verfügen, im Einklang mit sich und der Welt zu sein und sein Schicksal in die eigene Hand nehmen zu können. Bei diesen seltenen Gelegenheiten spürt man ein Gefühl von Hochstimmung, von tiefer Freude, das lange anhält und zu einem Maßstab dafür wird, wie das Leben aussehen sollte. »FLOW« ist ein Buch der praktischen Lebensweisheit. Zwar gibt es keinen Königsweg zum flow, auch erfordert die Einzigartigkeit jedes Menschen einen individuellen Zugang; aber wer versteht, was flow ist, dem wird es möglich, das eigene Leben zu verändern. Diese Veränderungen hängen nicht so sehr von äußeren Ereignissen ab, sondern eher davon, wie wir sie deuten. - Glück ist ein Zustand, für den man bereit sein muss, den jeder einzelne kultivieren und für sich verteidigen muss. Menschen, die lernen, ihre innere Erfahrung zu kontrollieren, können ihre Lebensqualität bestimmen; und das kommt dem, was wir gewöhnlich Glück nennen, wohl am allernächsten. »"Flow. Das Geheimnis des Glücks" zeigt, dass Glück nicht vom Himmel fällt. Die Fähigkeit zum Glücklichsein und FLOW zu empfinden, steckt in jedem. Mit Konzentration auf das, was man tut, kann man den Zustand des FLOW erreichen. Ein tolles Buch, das Lust auf Leistung macht.« Wolfgang Joop Flow bezeichnet einen Zustand des Glücksgefühls, in den Menschen geraten, wenn sie gänzlich in einer Beschäftigung »aufgehen«. Entgegen ersten Erwartungen erreichen wir diesen Zustand nahezu euphorischer Stimmung meistens nicht beim Nichtstun oder im Urlaub, sondern wenn wir uns intensiv der Arbeit oder einer schwierigen Aufgabe widmen. Laut The Independent gehört Mihaly Csikszentmihalys »Flow. Das Geheimnis des Glücks« zu den 33 Büchern, die man gelesen haben muss, bevor man 30 wird.

SQL

Author: Jonathan Gennick
Publisher: O'Reilly Verlag DE
ISBN: 3897212684
Release Date: 2004
Genre:


Moderne Betriebssysteme

Author: Andrew S. Tanenbaum
Publisher: Pearson Deutschland GmbH
ISBN: 3827373425
Release Date: 2009
Genre: Betriebssystem