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Topic: Data mart

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	dataWarehouse.com \| Brought to you by DM Review
		Data marts became very popular in the late 1980s and have been the subject of much debate in the industry since their introduction.
		Individual data marts are typically built for use by a single department or to meet the needs of a subject- oriented analytical projects, but most organizations will have multiple data marts in their business intelligence environment.
		No matter where the data originally entered the enterprise’s data gathering functions, though, it has been obtained by the data mart only after being processed through a standardized set of functions which place the data in a central data warehouse that was used as the source of the data contained in the resulting data mart.
	www.datawarehouse.com /article/?articleid=2997 (1131 words)

	Building The Data Mart (Site not responding. Last check: 2007-10-18)
		Although the concept of data marting, and the architectural model of combining a single warehouse and multiple marts into an enterprise-wide decision support environment, are now taken for granted by most DSS architects and system builders, at the time the article was published, the concept of marting was extremely controversial.
		The data mart's primary mission is to extract the base data required by a knowledge worker community from the warehouse, transform the data, and load it into the local business model in a manner that facilitates high-performance response to end-user requests.
		Data marting lets each constituency choose a toolset that is appropriate to its business team, and provides clear boundaries and interfaces with which these toolsets must conform.
	www.noumenal.com /marc/marts.html (4318 words)

	Data Mart (Linktionary term) (Site not responding. Last check: 2007-10-18)
		A data mart is a data warehouse for a single department or division of a company, as compared to a full-blown data warehouse, which attempts to store and make available all the data a company has available.
		A data mart is subject specific and usually departmental, while a data warehouse is a repository for an entire enterprise's data.
		Data marts are simpler to build and may take less than one year to build, while data warehouses are complex undertakings that may take over a year to build.
	www.linktionary.com /d/datamart.html (270 words)

	DBMS - August 1998 - Scoping Your Data Mart Implementation (Site not responding. Last check: 2007-10-18)
		Scoping a data mart project ensures against the same type of catastrophe that can befall an enterprise data warehouse or other large technology delivery project, and failures to plan these projects are the stuff of corporate folklore.
		Unlike its data warehouse brethren, a data martýs business case is solid before development begins, the user community is known beforehand and usually concentrated in one or two departments, and business managers have an application and often a specific front-end tool already in mind.
		Where a data warehouse may cost millions or even tens of millions of dollars, thus permitting months of analysis and iterative requirements gathering, data marts are often expected to be up and running quickly.
	www.dbmsmag.com /9808d13.html (4265 words)

	Data mart - Wikipedia, the free encyclopedia
		The key difference is that the creation of a data mart is predicated on a specific, predefined need for a certain grouping and configuration of select data.
		Performance: to offload the data mart to a separate computer for greater efficiency or to obviate the need to manage that workload on the centralized data warehouse.
		Data Mart vs Data Warehouse - Article comparing Data Mart vs Data Warehouse, and the ongoing methodology debate between the two titans of data warehousing.
	en.wikipedia.org /wiki/Data_mart (1024 words)

	Garrett Pilot Data Mart
		Data extracted from the Pilot Data Mart will be used to analyze patterns of service use across programs and across agencies.
		Data integrity rules will be applied at this level to filter the majority of entry errors before they travel to the server.
		The data in this database will be used to analyze the effectiveness of the various programs run by the members of the GCFVC in their efforts to combat family violence and to evaluate the efficacy and effectiveness of various intensive in-home services administered by the LMB.
	www.garrettpartnership.org /mart/mart_app.htm (2980 words)

	Data Mart Delivery Architecture
		Extracted data is not in a dimensional form since the data warehouse is mostly relational.
		The delivery mechanism of data mart can be as simple as an FTP of flat file (in case of Excel format) or as sophisticated as the use of middleware that will transport data across the network and invoke the loader for the target database.
		Marts can be maintained with or without the production support staff since it is easy to resend newly built marts from the output staging layer.
	www.dmreview.com /article_sub.cfm?articleId=652 (1909 words)

	DataWarehousing.com - documenting data replication and data transformation sites on the Net
		A data mart is a decentralized subset of data found either in a data warehouse or as a standalone subset designed to support the unique business unit requirements of an organization.
		A dependent data mart is one whose source is a data warehouse.
		Contrastly, an independent data mart is populated with data in a unique and separate manner by the legacy applications environment.
	www.datawarehousing.com /techtips/techtip11.asp (289 words)

	data mart - a definition from Whatis.com
		A data mart is a repository of data gathered from operational data and other sources that is designed to serve a particular community of knowledge workers.
		The emphasis of a data mart is on meeting the specific demands of a particular group of knowledge users in terms of analysis, content, presentation, and ease-of-use.
		A data warehouse is a central aggregation of data (which can be distributed physically); a data mart is a data repository that may derive from a data warehouse or not and that emphasizes ease of access and usability for a particular designed purpose.
	whatis.techtarget.com /definition/0,289893,sid9_gci211900,00.html (277 words)

	Data Mart Consolidation… Ka-Ching! (Site not responding. Last check: 2007-10-18)
		Data mart consolidation moves data from disparate, non-integrated data marts and puts it in a centralized, integrated data warehouse.
		To determine if data mart consolidation is appropriate, an organization should first identify the data marts that are candidates for possible consolidation.
		Teradata is the only data warehouse provider that provides organizations with a solid financial justification before starting a data mart consolidation project.
	www.teradata.com /t/go.aspx?id=115464 (250 words)

	Pt2 - What on Earth is a Data Mart?
		In the Kimball architecture, the data mart in a data warehouse is the beginning, not the end.
		To paraphrase Kimball; a dimensional data warehouse is composed of atomic data marts.
		Correct me if I'm wrong but what I understood about data marts is that it focuses on a business process and that there can be a number of fact tables for a data mart with their conformed dimensions.
	blogs.ittoolbox.com /dw/design/archives/pt2-what-on-earth-is-a-data-mart-7978 (1155 words)

	Breuer & Co. - Data Mart
		The Data Mart feature provides a query/reporting capability allowing users to instantly obtain answers to important, simple questions that operational databases and their report writers typically can't provide on an ad-hoc basis.
		The data mart is comprised of a database containing all of the accounting system information; plus special summary and "value-added" data to allow for quick and simple querying.
		Data from these systems can either be viewed in-situ or can be imported directly into the datamart.
	www.breuer.com /data_mart.asp (226 words)

	DBAzine.com: ETL for the “Unstructured” Data Mart (Site not responding. Last check: 2007-10-18)
		Typically in the world of iterative data, each data value is explicitly related to its meaning, by way of its assignment to a specific named column or field.
		The transformation of narrative data to iterative data is in large part the execution of educated guesses, the outcome of which is the deduction of data-metadata assignments.
		A “narrative data mart” can be of considerable value to any enterprise in which a significant percentage of data of interest appears in narrative or “unstructured” form — that is, just about any enterprise.
	www.dbazine.com /datawarehouse/dw-articles/lewis4/view (1754 words)

	Building Data Marts - Data Management & Warehousing Portal - Expertise and Knowledge in Data Warehousing
		These are data marts where all the history is displayed, that is each dimension reflects a number of historical hierarchies and the facts are stored against the appropriate hierarchy.
		These are data marts where all the history is not retained and the hierarchies in the dimensions reflect the current hierarchy only.
		Given that this is a temporal data mart and that the design will have retained the last data warehouse key loaded it is possible to just append to the data mart all facts from transaction repository that have appeared since the last load.
	www.datamgmt.com /index.php?module=article&view=71 (978 words)

	Enterprise Systems \| Data Mart Delivery Architecture
		The concept of a data mart in our context transcends its traditional definition to include broad data formats ranging from relational to dimensional cubes to flat files, such as excel spread sheet.
		Initial extraction request for data from the warehouse is prepared by the data mart team.
		Marts can be maintained with or without the production support staff since it is easy to resend newly built mart from the output staging layer.
	www.esj.com /article.aspx?ID=8139813523PM (1707 words)

	IBM Redbooks \| Data Mart Consolidation: Getting Control of Your Enterprise Information
		Originally data marts were built for many different reasons, such as departmental or organizational control, faster query response times, easier and faster to design and build, and fast payback.
		However, data marts did not always provide the best solution when it came to viewing the business enterprise as a whole.
		In many cases the data marts led to the creation of departmental or organizational data silos (non-integrated sources of data).
	www.redbooks.ibm.com /abstracts/sg246653.html?Open (620 words)

	Information Security Glossary - Data Mart
		A Data Mart, in contrast to a Data Warehouse, is a database of information collected from operational and other systems, which is made available to a group of users to meet a specific Business Need.
		The presence of a Data Mart often suggests the presence of a Data Warehouse, but not necessarily so.
		In general, a Data Warehouse tends to be implemented for strategic long term reasons, whereas a data mart tends to be tactical and directed at meeting an immediate business need.
	www.yourwindow.to /information-security/gl_datamart.htm (120 words)

	IBM Servers Deep Computing solutions: Data Mart Consolidation
		Each data mart is modeled from the data sources and there is no common, consolidated source for the various marts.
		Data mart consolidation with IBM eServer, TotalStorage and using DB2® Universal Database™ Enterprise Edition on Linux® brings its rich relational functionality required by data mart end users such as automatic summary tables, federated databases, as well as rollup and cube functions.
		The number of reads and writes required for the data transfer is reduced from multiple read and write operations to a single read and a single write, which further streamlines the processes and reduces the time to load the data marts.
	www-03.ibm.com /servers/deepcomputing/solutions/datamartconsolidation.html (635 words)

	Intelligent Enterprise Magazine - Data Warehouse Designer: Clickstream Data Mart
		After all, the clickstream data mart is a strategy that allows companies to truly complete the customer profile, by providing a way to integrate all Web-based customer activity data with conventional transactions.
		Data warehouse architects and developers already deal with very large volumes of data, but Web logs can easily be 10 times larger.
		Unlike most data mart implementations, in which primarily DBAs and data administrators own the knowledge of the source data, the data warehouse team will need to work closely with webmasters and programmers.
	www.intelligententerprise.com /011205/418warehouse1_1.shtml?datainteg (927 words)

	Data Marts
		A data mart is a repository of data gathered from operational data and other sources that is designed to serve a particular group of users.
		In addition, a data mart often uses aggregation or summarization of the data to enhance query performance.
		Storing the data mart in a temporary UltraQuest database allows the data to be refreshed each time the report or data extract request is executed.
	www.selectbs.com /solutions/data-marts.htm (427 words)

	Data Mart - InfoDesign has 20 years experience.
		Data Marts provide all the information that a Group or Department requires.
		Good data is always the most critical part of any successful project and requires about 80% of the effort.
		In fact, data issues are one of the biggest risk factors in any project of this type.
	www.infodesign-inc.com /Data_Mart/Data_Mart.html (300 words)

	Oracle Business Intelligence Data Warehouses Mart
		Definition: A data mart is a repository of data gathered from various data sources that is designed to serve a particular community of knowledge workers.
		Data Warehousing With Oracle (Oracular)- This paper is designed to review the features of data warehousing --conceptualizing the concept of data warehousing and lastly, feature of Oracle servers for implementing a data warehouse.
		The traditional role of a data warehouse has been to support strategic decision-making, but data warehouses are today broadening their roles to include more and more business critical tasks, supporting not only strategic decisions but also the operational business processes.
	oracle.ittoolbox.com /topics/t.asp?t=426&p=426&h1=426 (1866 words)

	Software Magazine - A Data Mart for the Internet
		So the new class of application is going to demand that there is a very large and heterogeneous set of data available on an ad hoc basis, to a wide number of potential users, who will be using it to do a variety of types of analysis using a variety of tools.
		Data volume is the Achilles' heel of business intelligence, and is one of the must-solve issues to move forward into the infrastructure of the information economy.
		A: The QOS is a data mart designed specifically for the Internet economy; it can provide both a relational and a multidimensional view of data, and it can manage extremely large volumes of source data.
	www.softwaremag.com /L.cfm?Doc=archive/2000dec/DataMart.html (819 words)

	Data Marts ( Data-mart and Datamarts) Definition
		DEFINITION: A data mart is a repository of data gathered from operational data and other sources that is designed to serve a particular community of knowledge workers.
		The emphasis of a data mart is on meeting the specific demands of a particular group of knowledge users in terms …
		A data warehouse is a central aggregation of …
	www.bitpipe.com /tlist/Data-Marts.html (255 words)

	NMC Data mart Student Tables
		This data is updated two weeks after the end of each term or semester.
		This data is collected from the National Student Loan Clearinghouse and goes back to Fall 2000 (term code 200101).
		The data is collected from the NSLC once per term, and this table is refreshed each weekend.
	www.nmc.edu /its/banner/datamart/tables/student-tables-descr.html (768 words)

	Fixed Asset DataMart Tables & Views
		The dimension table is the in-depth textual descriptions of the building defined in the asset fact tables data.
		The views were created to optimize performance of common joins of fact and dimension tables and to implement UTMB defined security of data.
		The information on each view includes a description of the fact and dimension tables used in the join, the columns/attributes used to join the tables, and details of each view column name with table source, source column name and descriptions.
	www2.utmb.edu /datamarts/FFX/FFX_TableView.htm (257 words)

	Rapid Objects - Data Mart Training
		Rapid Data Mart Architecture and Project Management-- This provides the background to allow you to make intelligent data mart design decisions and covers the best practices for data mart project management.
		Data Mart Extraction, Transform, and Load (ETL) Processes-- This covers the heart of a data warehousing effort, extracting data from operational systems, transforming data into clean, reliable, usable formats, and loading data into a dimensional model.
		Data Mart Reporting, Analysis, and Data Mining-- This explores the variety of reporting, analysis, visualization, and statistical exploration technologies that can provide the information needed to monitor and improve a business.
	www.rapidobjects.com /services/DMTraining.html (257 words)

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