MetadataOverviewDeckPPT课件下载推荐.ppt

MetadataOverviewDeckPPT课件下载推荐.ppt

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,IBM&

GavilanResearchAssociates2008MetadataSurvey287respondents,IBMandGavilan2008SurveyHighlights:

TurningyourDataintoInformationwithMetadata,WhatAreYourTopMetadataManagementIssues?

Respondentscouldchoosemultipleanswers,whichcreatedabroadspectrum.The“top5”metadatamanagementissuesin2008are:

documentingbusinessmetadata（businessrules&

elementdescriptions）-80.8%ofrespondentssupportforDataGovernanceandDataStewardship（67.5%ofrespondents）documentingaDataWarehouse,DataMart,orAnalyticalApplication（64.8%ofrespondents）supportforDataLineagereportingand/orDataMappinganalysis（64.9%）implementingacorporateDataDictionaryorDataGlossary（64.7%）RespondentComments:

“Mytopissueisgettingmetadataoutofexistingtoolsetsintoarepository,whereitcanbeaccessedandreportedon.”“ChangeManagementisourbiggestissue!

Howcouldyoumissthispoint?

”,Source:

IBM/GavilanResearchAssociates2008MetaDataMarketSurvey,InfoSphereInformationServerMetadataApproach,SowhatexactlyisMetadata?

Metadataenablesyoutoputcontextandmeaningtothings.Itisgeneratedandconsumedbyeveryorganizationandsoftwareproduct.,MetadataPrimerforBusiness,BusinessMetadataBusinessrules,Stewardship,BusinessDefinitions,AuditingTerminology,Glossaries,AlgorithmsandLineageusingbusinesslanguage.Audience:

Businessusers.TechnicalMetadataDefinesSourceandTargetsystems,theirTableandFieldsstructuresandattributes,DocumentationforAuditingDerivationsandDependencies.Audience:

SpecificToolUsersBI,ETL,Profiling,Modeling.OperationalMetadataInformationaboutapplicationruns:

theirfrequency,recordcounts,componentbycomponentanalysisandotherstatisticsforauditingpurposes.Audience:

Operations,ManagementandBusinessUsers.,B,T,O,Literally,“dataaboutdata”thatdescribesyourcompanysinformationfrombothabusinessandatechnicalperspective,MetaDataiswhatdescribes,defines,&

inter-relatesyourkeyinformationassets“SocialSecurityNumber:

auniqueidentificationnumberissuedtocitizens,permanentresidents,andtemporary（working）residentsbytheUSGovernment.”picXXX-XX-XXXX“ProfitAmount:

acurrencyvaluethatiscalculatedbycombiningdatafromtheCustomerMasterdatabaseandWholesaleInventoryapplications.”CalculationincludedonMonthlyReport,LetsputMetadatatoanExample,Supposeyouhavetheseitemsof“data”552-90-3456$233,567.00,Whatdataorinformationexists?

Whereisitbeingused?

Whatisitsbusinessdefinition?

Whatothernameshasitbeencalledorisbeingcalled?

Howisitinter-relatedtootherinformation?

Whoisusingit?

Whydoweneedit?

Whenwasitlastupdated?

Metadatahelpsanswerimportantquestionssuchas:

Whatis“ProfitAmount”?

Howisitdefined?

Howisitcalculated?

Whereisitstoredorused?

Isitreliable?

Accurate?

IfImakeachangeto“ProfitAmount”whatwillbeimpacted?

MetadataBusinessDriversWhatishappeningintheDataIntegrationMarketthatrequiresMetadata?

GovernanceandComplianceRegulationsareincreasingHowdoorganizationscomplyandmeetdocumentationrequirements?

Howcanorganizationsensureaccountabilityandresponsibility?

BusinessCompetitioncontinuestogrowHowdoorganizationsindividualizetheircustomerexperience?

Howcanorganizationsgetaccesstoinformationtomakecorrectdecisions?

CostsandsystemcomplexitiesareexpandingHowcanorganizationsdriveoptimizationwithintegration?

Howdoorganizationsmanagecomplexsoftwareenvironments?

IBMDataGovernanceMaturityModel-measurableresults,BusinessTransformation,13,1990,2008,FirstMetadataRepositoriesIBMDataDictionary,SingleEnterpriseRepositoryIBMledADCycle,DataWarehouseRepositoriesETL,DQ,DPe.g.AscentialMetastage,1980,2000,1970,2007,2002,FederatedRepositoriesAndRegistriese.g.UnicornUnderstandhowsoftwareanddataservicesrelatedtobusinessprocessesworkflows,andtherequirementtopublish,reuseandgoverntheseservices.,SteveBorn,MetadataConsolidationSolutions,CommunityFocusedRepositories,IBMbuysAscential,IBMbuysUnicorn,less-ambitiousmore-scopedmetadatamanagementsolutions,Consolidationtoce