Xem 1-20 trên 37 kết quả Optimizing oracle
  • 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.

    pdf339p hoa_can 28-01-2013 29 7   Download

  • 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....

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  • Oracle Corporation is one of the world’s largest vendors of software for managing information. Oracle has over 12,000 employees with offices in 93 countries around the world. One of the reasons Oracle software is so popular is the diversity of platforms it supports. In fact, Oracle software runs on almost every popular computer in the world and is used everywhere from home applications to giant corpora- tions.

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  • Oracle allows you to define your own object data types, which you can use for creating objects, discussed in detail in Chapter 21, “Object Relational Interactions with Oracle.” Oracle also includes specialized data types for working with XML, spatial data, and media data, as well as ways to access type descriptions when the data type is not known.

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  • The Oracle database engine has become a huge piece of software. This not only means that a single human can no longer be roficient in using all the features provided in recent versions, but it also means that some of them will rarely be used. Actually, in most situations, it is enough to know and take advantage of a limited number of core features in order to use the Oracle database engine efficiently and successfully.

    pdf617p nghianguyenluong 30-06-2009 162 80   Download

  • In Oracle8 we saw the addition of bitmap indexes, function-based indexes, as well as reverse key indexes and star index structures. We also saw the Oracle SQL optimizer becoming more intelligent about the way indexes are used by SQL statements. In Oracle9i, we have the index skip scan, the and_equal hint to combine individual indexes into a contaminated index, as well as specialized bitmap access methods to improve the speed of data warehouse queries.

    pdf46p ledung 13-03-2009 239 71   Download

  • Oracle Database Performance Tuning Guide is an aid for people responsible for the operation, maintenance, and performance of Oracle. This book describes detailed ways to enhance Oracle performance by writing and tuning SQL properly, using performance tools, and optimizing instance performance. It also explains how to create an initial database for good performance and includes performance-related reference information. This book could be useful for database administrators, application designers, and programmers.

    pdf572p rosesdalat2803 04-08-2009 110 40   Download

  • Responding to the demands of increased regulatory requirements, international expansion, and increased acquisition activity requires flexibility. Rules, network reliability, and business processes can vary widely across geographies and product lines. IT systems must accommodate these challenges both functionally and technically. Oracle FLEXCUBE Core Banking supports several deployment options that allow banks to provide services uniformly across all channels and markets.

    pdf2p wolfie 22-10-2010 133 37   Download

  • Deliver dynamic, client/server PL/SQL applications with expert guidance from an Oracle programming professional. With full coverage of the latest features and tools, Oracle Database 11g PL/SQL Programming lays out each topic alongside detailed explanations, cut-and-paste syntax examples, and real-world case studies. Access and modify database information, construct powerful PL/SQL statements, execute effective queries, and deploy bulletproof security. You'll also learn how to implement C, C++, and Java procedures, Web-enable your database, cut development time, and optimize performance....

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  • Objectives: After completing this lesson, you should be able to do the following: • Describe your role as a database administrator (DBA), and explain typical tasks and tools • Plan an Oracle database installation • Use Optimal Flexible Architecture (OFA) • Install the Oracle software by using Oracle Universal Installer (OUI)

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  • Workspace Manager lets you organize changes in workspaces to view them in the context of the whole database, but without requiring that you actually copy data between tables. It lets different users make simultaneous changes to the same row, and it lets you detect and resolve conflicts. A typical example might be a telecommunications application that lets you create multiple cell phone coverage scenarios to find the optimal design.

    pdf402p daokim 03-08-2009 66 16   Download

  • This document provides network design best practices to enhance an Oracle E-Business Suite 11i application environment across the WAN. It introduces key concepts and options regarding the application deployment and detailed designs strategies available to a data center leveraging Cisco application and networking technologies.

    pdf46p minhthanh 11-08-2009 94 10   Download

  • With database concepts and theories clearly explained in Oracle's context, readers quickly learn how to fully leverage Oracle's performance and scalability capabilities at every stage of designing and developing an Oracle-based enterprise application. The book is based on the author's more than ten years of experience working with Oracle, and is filled with dependable, tested, and proven performance optimization techniques.

    pdf729p titatu_123 01-03-2013 24 5   Download

  • 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...

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  • After completing this lesson, you should be able to do the following: Identify issues associated with managing users in an Oracle Shared Server environment Configure the Oracle Shared Server environment to optimize performance Diagnose and resolve performance issues with Oracle Shared Server processes

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  • After completing this lesson, you should be able to do the following: List the operations that use temporary space Create and monitor temporary tablespaces Identify actions that use the temporary tablespace Describe the use of disk and memory for sorting Identify the SQL operations that require sorts Differentiate between disk and memory sorts List ways to reduce total sorts and disk sorts Determine the number of memory sorts performed Set parameters to optimize sorts

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  • The Scheduler To help simplify management tasks, as well as providing a rich set of functionality for complex scheduling needs, Oracle provides a collection of functions and procedures in the DBMS_SCHEDULER package. Collectively, these functions are called the Scheduler, and they are callable from any PL/SQL program. The Scheduler lets database administrators and application developers control when and where various tasks take place in the database environment.

    pdf486p nhacsihuytuan 13-04-2013 14 3   Download

  • Oracle Exadata Recipes takes an example-based, problem/solution approach in showing how to size, install, configure, manage, monitor, optimize, and migrate Oracle database workloads on and to the Oracle Exadata Database Machine. Whether you're an Oracle Database administrator, Unix/Linux administrator, storage administrator, network administrator, or Oracle developer, Oracle Exadata Recipes provides effective and proven solutions to accomplish a wide variety of tasks on the Exadata Database Machine.

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  • Tổng quát Bài viết này cung cấp thông tin về việc sử dụng Optim Development Studio (ODS-Công cụ phát triển Optim) để tạo, soạn thảo, triển khai và gỡ rối các thường trình PL/SQL cho Phiên bản 9.7 của DB2 Linux, UNIX và Windows (LUW), các cơ sở dữ liệu Oracle 10g và Oracle 11g. Giả định bạn có kiến thức cơ bản về DB2 và Oracle và đã quen thuộc với các công việc trong một môi trường phát triển phần mềm dựa trên Eclipse.

    pdf60p buncha_1 11-05-2013 28 2   Download

  • Database System: Chapter 10 - Query Processing and Optimization Introduction to Query Processing, Translating SQL Queries into Relational Algebra, Translating SQL Queries into Relational Algebra, Using Selectivity and Cost Estimates in Query Optimization, Overview of Query Optimization in Oracle.

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