3 Resources for

cost based optimizer

Subscribe to this listing via:
RSS
Email

Sponsored White Papers, Webcasts, and Downloads

A System Continuity Solution for Virtual System Consolidation
Live Webcast: Save Time, Money and Manpower While Eliminating Redundancies from Your Data Backups
Improving Customer Support and Help Desk Efficiencies with On-Demand Remote Support

TechRepublic Resources

Database management: Create a proper development environment for Oracle SQL: In order to provide a consistent SQL execution environment in Oracle there are a number of environmental issues that should be addressed. By ignoring these issues you invite instability, acknowledged by ever-changing SQL execution plans, resulting in poor database query performance.Successful use of Oracle’s Cost-Based Optimizer CBO is heavily dependent...; Tags: Programming languages, Databases, database management, database, Donald Burleson, development environment, SQL, execution plan, Oracle Corp., outline, Cost Based Optimizer, SQL execution plan; Technical articles 2003-12-29
Hypercharge Oracle SQL by using histograms: The distribution of values within an index will often affect the cost-based optimizers CBOs decision whether to use an index or perform a full-table scan to satisfy a query. This can happen whenever the column referenced within a SQL query WHERE clause has a non-uniform distribution of values, making a...; Tags: Oracle Corp., Donald Burleson, SQL, table column, cost based optimizer, histogram, Histograms; Technical articles 2003-10-31
Optimize SQL query speed with the Oracle clustering_factor attribute: The cost-based optimizer CBO improves with each new release of Oracle, and the most current enhancement with Oracle9i is the consideration of external influences (CPU cost and I/O cost) when formulating an execution plan. As Oracle evolves into Oracle10g we may see even more improvements in the ability of the...; Tags: Databases, Donald Burleson, cost based optimizer, column value, clustering_factor, Oracle Corp., selectivity; Technical articles 2003-10-27

Additional Resources

Migrating to the Cost-Based Optimizer: In Oracle Database 10g, only one query optimizer is supported: the Cost-Based Optimizer CBO. Oracle's legacy optimizer, the Rule-Based Optimizer RBO, is no longer supported. While the majority of applications running on Oracle today use the CBO, some applications continue to use the RBO. This paper describes the steps in...; Tags: Oracle Corp., Databases, Enterprise Software, Software, Data Management; White papers 2005-04-01
Cost Control: Inside the Oracle Optimizer, Part 2: In Part 1 of the series, the author discussed the basic mechanisms of Oracle's cost-based SQL optimizer for making the best decisions about the access paths to data. In this concluding paper, the author will address the use of histograms, external costing features, SQL hints for changing execution plans, and...; Tags: Oracle Corp., Cost Control, SQL, Programming Languages, Databases, Software Development, Software/Web Development, Enterprise Software, Software, Data Management; White papers

Understanding Optimization: Since its introduction in Oracle7, the Cost-Based Optimizer CBO has become more valuable and relevant with each new release of the Oracle database while its counterpart, the Rule-Based Optimizer RBO, has become increasingly less so. The difference between the two optimizers is relatively clear: The CBO chooses the best path...; Tags: Oracle Corp., Optimization, Oracle Database, Databases, Enterprise Software, Software, Data Management; White papers 2005-01-01
HP Neoview Parallel Query Optimizer: The HP Neoview data warehousing platform can deliver enormous parallel power from its scaled-out grid of hundreds of commodity servers because of its industry-leading query optimizer. The Neoview Parallel Query Optimizer is unique in its ability to transform any query into a query plan that will use all of the...; Tags: Hewlett-Packard Co., Neoview Parallel Query Optimizer, Business Intelligence, Storage, Databases, Enterprise Software, Software, Data Management, Hardware; White papers 2007-01-01
Magic Memory Optimizer (exe): Whether you want to optimize your system performance or cleanse fragmentation collected in your system with as little effort as possible, Magic Memory Optimizer is the tool of choice. No other program is as feature-rich, yet as easy to use as Magic Memory Optimizer. Magic Memory Optimizer is designed to...; Tags: BitBitCare PC Optimize System, Magic Memory Optimizer, Productivity; Software downloads 2008-07-18
Cost Control: Inside the Oracle Optimizer: Oracle's Cost-Based SQL Optimizer CBO is an extremely sophisticated component of Oracle that governs the execution for every Oracle query. The CBO has evolved into one of the world's most sophisticated software components, and it has the challenging job of evaluating any SQL statement and generating the "Best" execution plan...; Tags: Oracle Corp., Cost Control, CBO, Tools & Techniques, Financial Services, Programming Languages, Management, Software Development, Software/Web Development; White papers
Performance Analysis of Optimizer Plans: This paper covers two tools for analyzing Oracle SQL performance: QBQL (pronounced "cubicle") and SQL Repository. QBQL is an intuitive graphical front-end to existing server-side performance dictionary views, and SQL Repository is a powerful framework to automate the comparison of execution plans and runtime statistics for the same application across...; Tags: Oracle Corp., Performance, SQL, SQL Repository, QBQL, Performance Management, Programming Languages, Databases, Human Resources, Workforce Management, Software Development, Software/Web Development, Enterprise Software, Software, Data Management; White papers 2004-11-01
Startup Optimizer (exe): Startup Optimizer inspects programs loading at Windows startup and keeps your PC running faster, cleaner, and error-free. With a program database, Startup Optimizer provides useful information for known programs. You can remove harmful programs like spyware, virus, diallers, make your system healthier and maintain a higher degree of privacy. Startup...; Tags: Program, Start-up, Startup Optimizer, Backups, Cyberthreats, Microsoft Windows, Security, Viruses And Worms, Operating Systems, Software; Software downloads 2006-05-12
Flash Optimizer Lite (exe): Flash Optimizer [Lite edition] inherits all the same potential and power of Flash Optimizer, but allows even beginners to optimize their files without spending time on making decisions of which optimization parameter you should or should not use. This is like click-and-optimize - and your SWF file is considerably compressed....; Tags: Edition; Software downloads 2006-12-28
The SQL Optimizer Project: _Method and _Tree in SAS 9.1: This paper discusses two little known options of SAS Proc SQL: _method and _tree. This paper will also attempt to describe some of the logic that the Optimizer employs. Proc SQL has a powerful subroutine, the SQL Optimizer, that examines submitted SQL code and the state of the system (file...; Tags: SAS Institute, SQL, SQL Optimizer, Programming Languages, Databases, Software Development, Software/Web Development, Enterprise Software, Software, Data Management; White papers 2005-03-09
CT-Net Complete Optimizer (exe): The CT-Net Complete Optimizer provides feature-rich set of tools enabling you to clean up your registry, clean junk files, control programs running on Windows startup, tune your settings to speed up internet connection and many other pc optimizer tools. CT-Net Complete Optimizer does not only make your computer run faster...; Tags: PC, Tool, CT-Net Complete Optimizer, Productivity, Internet, Microsoft Windows, Desktops, Operating Systems, Software, Hardware; Software downloads 2007-05-17
Photo Optimizer (exe): Photo Optimizer is a simple way to compress and resize your digital photos. It can help you to save more than 80% disk space. And it converts hundreds of pictures within two minutes. Photo Optimizer supports most of popular image formats such as GIF, JPEG, BMP, PSD, PNG, PCX, DCX,...; Tags: Photograph, Photo Optimizer; Software downloads 2007-10-22
Windows System Optimizer (exe): Windows System Optimizer is an optimizer software that speeds up your system, giving you maximum performance. It includes cleanup tools for Windows system. It not only gives you complete control over Windows startup programs but also uninstalls unused applications, dead shortcuts and empty files. This tool cleans your cache and...; Tags: Windows System Optimizer, Microsoft Windows, Operating Systems, Software; Software downloads 2004-12-29
Upgrading From Oracle Database 9i to 10g: What to Expect From the Optimizer: Since its introduction in Oracle 7.0, people have been fascinated and intimidated by the Cost-Based Optimizer CBO and the statistics that feed it. It has long been felt that the internals of the CBO were shrouded in mystery and that a degree in wizardry was needed to work with it....; Tags: Oracle Corp., Oracle9i, Oracle Database, Databases, Enterprise Software, Storage, Software, Data Management, Hardware; White papers 2008-02-01
WinASO Registry Optimizer (exe): WinASO Registry Optimizer is an advanced registry cleaner and optimizer for Windows that allows you to safely clean and repair registry problems with a few simple mouse clicks. By fixing the obsolete information and adjusting the parameters in the Windows Registry, it significantly speeds up your system. WinASO Registry Optimizer...; Tags: X.M.Y. International, WinASO Registry Optimizer, Microsoft Windows, Mice, Operating Systems, Software, Hardware, Peripherals; Software downloads 2007-10-19
Midifile Optimizer Pro (zip): The Midifile-Optimizer Pro is an easy and fast MIDI file editor. The Optimizer has an intelligent transpose function that gives you the best results even at extreme ranges. Changing the Instrument and its variations, volumes, hall, tempo, and chorus are just one click away. Other highlights are the drums editor,...; Tags: Editor, Midifile-Optimizer Pro, Optimizer; Software downloads 2007-03-15
WinUtilities Memory Optimizer (exe): WinUtilities Memory Optimizer optimizes the memory management of your system and boost-up its performance amazingly. It is a comprehensive and easy-to-use Windows utility that is designed to tackle the most difficult and crucial problems of memory management. WinUtilities Memory Optimizer recovers the unused memory of your system and drastically improves...; Tags: Memory Management, WinUtilities Memory Optimizer, Microsoft Windows, Performance Management, Productivity, Operating Systems, Software, Human Resources, Workforce Management; Software downloads 2007-01-03

<< Previous
page 1 of 1
Next >>

Cisco IOS Command Chart (IOS v.12+): Becoming proficient with Cisco equipment means remembering a whole new set of commands. These command charts give you a quick way to look up the needed IOS commands and switches when you need them.; Buy Now

Best Practices for Maximizing Microsoft Access 2003: This pre-packaged presentation contains everything you need to instruct end users about how to get the most out of Microsoft Access--even if you don't ...; Buy Now