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Topic: ETL

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	ETL: The Electric Template Language (Site not responding. Last check: 2007-10-27)
		ETL is made available under the Apache Software License, Version 2.0, which means it is suitable for use in both open and closed source software, and that you can make modifications to it without being required to distribute them, as long as you abide by the terms set forth in the license.
		ETL provides a C language API for parsing templates and DDL files, generating variables, and executing the results to produce textual output.
		ETL strives for simplicity and easy of integration with your program's logic, and does so while providing easy to read templates that are a joy to work with.
	etl.i-want-a-pony.com (372 words)

	Extract, transform, load - Wikipedia, the free encyclopedia
		ETL is important, as it is the way data actually gets loaded into the warehouse.
		A good ETL tool must be able to communicate with the many different relational databases and read the various file formats used throughout an organization.
		ETL tools have started to migrate into Enterprise Application Integration, or even Enterprise Service Bus, systems that now cover much more than just the extraction, transformation and loading of data.
	en.wikipedia.org /wiki/Extract,_transform,_load (910 words)

	Getting the Truth Out of Your Data Warehouse (Site not responding. Last check: 2007-10-27)
		Within a level, such as the DEV environment, multiple ETL developers may be working on various aspects of a larger project, and each of these projects can benefit from metadata independence during the early development phase.
		Of all of the data warehousing development activities, the ETL process is usually the most time-consuming and difficult to design and operate.
		ETL, after all, is about extraction, transformation and loading to support business intelligence needs, the bottom-line reason for this entire process.
	support.sas.com /news/feature/03oct/etltruth.html (1656 words)

	Criteria for ETL Product Selection - DMReview (Site not responding. Last check: 2007-10-27)
		Some ETL tools support many sources and targets but execute only on a lower-end platform such as Windows, restricting the ability to scale to very large data volumes without adding more servers and the management and licensing overhead that entails.
		Since ETL is not usually as simple as taking data from one place and copying it to another, your chosen tool must be able to handle the kinds of data transformations you expect.
		There are cases where it may be necessary to call an ETL job from outside the environment, to check the status of running jobs, to halt or restart sessions or to otherwise use and manage the ETL environment.
	www.dmreview.com /editorial/newsletter_article.cfm?nl=dmdirect&articleId=1011217&issue=20080 (2519 words)

	Safe Software \| What is Spatial ETL?
		ETL tools are used either to acquire a temporary subset of data for a customized report or a specific business application, or to obtain a more permanent dataset to populate a data warehouse in order to convert from one datastore to another or to migrate from one datastore or platform to another.
		Spatial ETL products are designed to provide the same bottom-line benefit as traditional ETL systems, but with one distinct difference – they also include the spatial world of an organization, either in helping it create spatial data or in capitalizing on the data it already has.
		With Spatial ETL as a core data extraction and transformation tool, organizations have the opportunity to adopt a holistic approach to business operations, to streamline business processes and achieve cost transparencies, without sacrificing data integrity.
	www.safe.com /company/spatial-etl/index.php (929 words)

	jbiwiki: ETLSE
		That is, ETL programs periodically extract data from source systems, transform the data into a common format, and then load the data into the target data store, usually a data warehouse.
		ETL processes bring together and combine data from multiple source systems into a data warehouse, enabling all users to work off a single, integrated set of data — a single version of the truth.
		ETL Integrator is an enterprise module optimized for extracting, transforming, and loading bulk data between files and databases.
	www.glassfishwiki.org /jbiwiki/Wiki.jsp?page=ETLSE (1499 words)

	ETL Criteria
		One of the goals of using an ETL tool is to allow for quicker and easier development, and management of what has been developed later.
		When an ETL session completes, the data warehouse administrator should be able to view how much data was processed by each job, where the data came from, where it went to, and how long it took.
		The additional clickstream criteria are something that will evolve over time as ETL vendors become more sophisticated in their handling of web-based data sources, and as the web analytics vendors begin to merge with more mainstream business intelligence and ETL companies.
	www.clickstreamdatawarehousing.com /ClickstreamETLCriteria.htm (2505 words)

	Raytheon Company: Products & Services: Environmental Test Laboratory (ETL)
		Besides serving the environmental testing needs of Raytheon’s own business units, ETL actively strives to build long-term relationships with many external clients, who produce a multitude of systems, subsystems and components for the commercial, defense and aerospace markets.
		ETL specializes in performing the industry’s most exacting and intensive static, dynamic (vibration, shock, and acceleration) and climatic test procedures, as well as comprehensive failure analysis studies.
		ETL has a record of 99-percent on-time delivery and 100-percent customer-scored quality.
	www.raytheon.com /products/etl (193 words)

	Teradata Magazine \| Enterprise View: Tomorrow's real-time ETL imperative
		ETL must shift to survive, and while ELT is part of the solution, it's not enough.
		ETL vendors still have a few tricks up their sleeves, as do all companies that have good direction.
		ETL and ELT will have a place in the new market, but only if they incorporate real-time capabilities, not to mention the ability to handle metadata and business rules and to adapt to and integrate best-of-breed solutions in each of these areas.
	www.teradata.com /t/page/127085/index.html (1811 words)

	ETL Listed Mark (Site not responding. Last check: 2007-10-27)
		Since the ETL Listed Mark is a recognized and accepted indicator of a product’s compliance to safety standards, retailers, inspectors, or Authorities Having Jurisdiction (AHJs) all accept ETL Listed Products.
		An ETL Listed mark with a "c" identifier at the 8 o'clock position means the product bearing it complies with Canadian product safety standards only.
		And an ETL Listed mark with both "us" and "c" identifiers at the 4 o'clock and 8 o'clock positions respectively, signifies that the product bearing the mark complies with both U.S. and Canadian product safety standards.
	www.intertek-etlsemko.com /portal/page?_pageid=34,33178&_schema=cust_portal&_dad=cust_portal (691 words)

	TDAN Taylor - ETL Tools
		ETL tools can help to alleviate this nightmare of processing by providing a consistent, simplified solution to a recurring set of development and implementation problems.
		An ETL tool is by definition an integrated suite of tools for the purpose of extraction, transformation and loading data warehouse data, an approach distinctly different than the more common warehousing solution of cobbling together a set of programs or tools to accomplish this same task.
		While resistance for ETL tool use continues, the realization that these tools have significant value for warehouse development and for the enterprise in general is beginning to dawn on the IT world.
	www.tdan.com /i009ht02.htm (2076 words)

	Pervasive Software - ETL
		Pervasive ETL solutions are available for aggregating and transforming data for ODS (Class I, II, or III) and data warehouse loading.
		ETL has expanded into database consolidations, legacy migrations, data synchronization, and propagation projects.
		Pervasive ETL solutions feature more than 150 data and application adapters including mainframe/legacy applications, relational databases, flat files, XML, data from the Web, packaged CRM applications, and can greatly assist companies with non-warehouse ETL projects.
	www.pervasive.com /solutions/etl (262 words)

	ETL provides the keys to keeping data relevant, available
		ETL tools are also preferable to custom programs because they can be used "out of the box"; there is no need to write code to open files, read records, and join tables -- these products perform those functions for you.
		Whether you use custom coding, third-party ETL tools, or a combination of the two to move data from one system to another, a thorough understanding of ETL practices, as well as of your source and target applications, is essential to success.
		ETL products let programmers quickly move data from one environment to another without requiring custom code to open files, join tables, read records, aggregate data, and so on.
	www.infoworld.com /articles/es/xml/00/09/25/000925esetl.html (1777 words)

	Fire Safes and ETL Laboratory
		ETL SEMKO is a part of Intertek, a global leader in product testing.
		Along with safes, ETL tests domestic appliances, automotive parts, heat, ventilation and air conditioning equipment, home and consumer electronics, building products, semi-conductors, cable and wiring accessories, industrial machinery and medical devices.
		First, in 1937, ETL became a charter member of the new American Council of Independent Laboratories.
	www.firesafestore.com /ETL-lab.htm (240 words)

	So what is better, ETL or ELT?
		ETL (Extract, Transform and Load) is the coca cola in the challenge with Informatica and DataStage the champions in terms of license fees and market share.
		The main reason that ETL tools have become successful is that traditional database or application coding is difficult to write and maintain.
		If you run a stored procedure from an ETL job you get the chance to schedule it from an enterprise scheduling tool, add developer annotations to explain what it does, have some metadata show up in end to end data lineage reporting and impact analysis and have the procedure status show up in centralised logging.
	blogs.ittoolbox.com /bi/websphere/archives/So-what-is-better-ETL-or-ELT-13572 (2666 words)

	ETL - News
		ETL and the Woods Hole Oceanographic Institution (WHOI), in a joint project, have discovered that the swimming pattern produced by the 10 micron diameter flagellate, Tetramitus rostratus is extremely sensitive, in a dose-dependant way, to compounds which influence flagellar motor activity, including heavy metals, endotoxins, ion channel blockers, and a variety of other noxious compounds.
		ETL has agreed to this process, but requested additional time in order submit a later version which would include the results of the New York City Drinking Water and Croton Watershed studies.
		ETL anticipates that the revised edition will be completed and sent to the ATSDR for during the Winter of 2001.
	www.envirolab.com /News.htm (1584 words)

	Understanding the File Option Choices for ETL Flat Files: “ASCII”, “EBCDIC” and “EBCDIC converted to ASCII”
		ETL Flat File objects can be specified as being one of 3 file options: "ASCII", "EBCDIC" or "ASCII Text and EBCDIC Numbers” (the latter selection is displayed in ETL connection objects as “EBCDIC converted to ASCII”).
		ETL determines the decimal value of each byte and interprets that decimal value according to either an ASCII or EBCDIC character map.
		If an attempt is made to have ETL read this number as an ASCII filetype, it will uncompress the number and incorrectly returns 43.
	www.hummingbird.com /support/dirs/genio/etl_clients_fileoptionchoices_for_flatfiles.html?cks=y (883 words)

	ETL Magic Quadrant Update: A Market in Evolution
		For most of these vendors, ETL technology plays a supporting role to their flagship business intelligence offerings, or is one component of a broad offering including business intelligence and ETL.
		Although the overall opportunity for ETL vendors is huge (more than 75 percent of data warehouse efforts deploy custom-coded ETL solutions) and several pure-play ETL vendors continue to lead, major infrastructure providers such as the DBMS vendors will own the majority of the ETL market share during the long term.
		Even though most vendors and consumers of ETL technology place the bulk of their focus on product functionality, Gartner believes that a broader range of evaluation criteria is more appropriate (see "Gartner's Evaluation Criteria for the ETL Magic Quadrant," M-16-2939), particularly given the large number, different types and varying degrees of focus on ETL.
	www.gartner.com /reprints/informatica/106602.html (1219 words)

	ETL is a Symptom of the Problem, not the Solution! - DMReview
		Performing extensive extract, transform and load (ETL) may be a sign of poorly managed data and a fundamental lack of a cogently developed data strategy.
		Because each software package has its own proprietary database to support the application functionality, ETL is employed to move data between systems, which results in more duplicate data and costly ETL development and maintenance.
		This is because a good use of ETL is to support operational reporting and analytics, where an acceptable amount of redundancy is necessary.
	www.dmreview.com /article_sub.cfm?articleId=1044329 (1319 words)

	The 38 Subsystems of ETL > > Intelligent Enterprise: Better Insight for Business Decisions
		The extract-transform-load (ETL) system, or more informally, the "back room," is often estimated to consume 70 percent of the time and effort of building a data warehouse.
		The "it depends" response is dangerous because it becomes an excuse to roll your own ETL system, which in the worst-case scenario results in an undifferentiated spaghetti-mess of tables, modules, processes, scripts, triggers, alerts, and job schedules.
		Highly desirable (eventually necessary) that parallelizing and pipelining be invoked automatically for any ETL process that meets certain conditions, such as not writing to the disk or waiting on a condition in the middle of the process.
	www.intelligententerprise.com /showArticle.jhtml?articleID=54200319 (1886 words)

	SAS Press Release \| New release of SAS® Enterprise ETL Server outperforms benchmark by more than 60 percent
		ETL performance is a high priority due to the increasingly global nature of today's enterprises."
		A recent Forrester* report by Phillip Russom highlighted that hand coding is still a "ubiquitous task" in ETL development, with more than 90 percent of users surveyed reporting that hand-coded routines are still part of their ETL solutions.
		Details on the newest version of the SAS Enterprise ETL Server can be found at http://www.sas.com/news/preleases/022805/news1.html, with more information about the package available at http://www.sas.com/technologies/dw/entetlserver/index.html.
	www.sas.com /offices/europe/uk/press_office/press_releases/march2005/sas-etl.html (626 words)

	The Evolution of ETL: TDWI
		ETL tools also commonly move or transport data between sources and targets, document how data elements change as they move between source and target (i.e., meta data), exchange this meta data with other applications as needed, and administer all run-time processes and operations (e.g., scheduling, error management, audit logs, and statistics.)
		The ETL workflows defined by developers in the graphical environment are stored in a meta data repository, which the engine reads at runtime to determine how to process incoming data.
		Today, several DBMS vendors embed ETL capabilities in their DBMS products (as well as OLAP and data mining capabilities.) Since these vendors offer ETL capabilities at no or little extra charge, organizations are seriously exploring this option because it promises to reduce costs and simplify their BI environments.
	www.tdwi.org /Publications/display.aspx?id=6716&t=y (2118 words)

	ETL
		extract, transform, load (ETL) refers to three separate functions required to populate a data mart or data warehouse.
		When combined into a single generic application, the development and maintenance of the ETL routines becomes faster, easier and more economic.
		The Extract-Transform-Load (ETL) activity is often estimated to consume 70 percent of the time and effort to build a data warehouse.
	www.aexis.com /etl.htm?etl (157 words)

	ETL (Site not responding. Last check: 2007-10-27)
		The ETL mark is your assurance of product safety certification.
		ETL Testing Laboratories is accredited by OSHA as a Nationally Recognized Testing Laboratory (NRTL).
		Although this service can be quite expensive, little time is needed for this turn around due to in house know how, and strict conformance to quality control methods.
	www.matticks.com /etl.htm (201 words)

	Enterprise Systems \| ETL Increasingly Used Outside Data Warehouses
		ETL isn’t a data warehousing-only play—companies are increasingly tapping it to support database consolidations and migrations, among other tasks
		The most common reason organizations begin to deploy ETL outside of the bread-and-butter data warehousing space is to move data between disparate applications.
		ETL may support data propagation, where data moves one way from a system of record to others,” Russom indicates, noting that ETL is also used to support data synchronization efforts, particularly for the purposes of business continuity planning.
	www.esj.com /news/article.aspx?EditorialsID=1305 (637 words)

	[No title] (Site not responding. Last check: 2007-10-27)
		Addition of a tool onto the ETL means that this tool may be named in a Verification Tool Memorandum of Agreement (MOA) between the NCSC and a system developer.
		Removal of a tool from the ETL means that no new MOAs between the NCSC and system developers will be executed specifying that particular tool as the vehicle for formal specification and verification.
		The ETL entry is intended as only a brief summary for quick reference and therefore should not be used as the sole source for choosing a verification tool.
	csrc.nist.gov /secpubs/ncsc_etl.txt (1651 words)

	Data Warehouse Extract Transform Load
		Speeding ETL Processing in Data Warehouses (Syncsort Incorporated)- One of the primary factors affecting data warehouse performance is the underlying physical distribution of the data in the databases, which must be consolidated in various ways.
		The ETL tool operates at the heart of the data warehouse, extracting data from multiple data sources, transforming the data to make it accessible to business analysis, and loading multiple target databases.
		ETL for the "Unstructured" Data Mart (DBazine.com)- This article is part of a series discussing the integration of iterative data (commonly known as "structured data,") and narrative data (commonly referred to as "unstructured data").
	datawarehouse.ittoolbox.com /topics/t.asp?t=334&p=334&h1=334 (2970 words)

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