浅议供电企业数据模型的分析与设计

浅议供电企业数据模型的分析与设计

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大小:4.61 MB

页数:61页

时间:2019-03-20

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1、华北电力大学硕士学位论文摘要现代电力的基本特征是市场化和信息化。电力企业经过长期的信息化建设,己经建成一定规模的信息管理系统。电力企业具有规模巨大,模式复杂,数据格式多样,数据来源不一致的特点。企业数据模型从企业全局的视角出发,构造全局业务数据的模型,实现企业业务全局数据的一致性描述。本文结合供电企业信息化建设的现状,研究数据模型设计方法,分析公共信息模型建设标准,采用关系化数据模型建模方法设计供电企业数据模型,在数据层面为信息互通提供数据上的相互关联和一致的语义,为企业不同的业务系统提供能够理解的统一模型支

2、持,在数据层面打破信息孤岛。关键词:电力企业,公共信息模型,数据模型,关系数据模型ABSTRACTMarketizationandinformatizationarethebasiefeaturesofmoderneleetrieity.Powerenterpriseshavebuiltmanyinformationmanagesystemonaeertainsealebymeansoflong一terminformationaleonstruetions.Powerenterpriseshavefourfe

3、atures:largeseale,eomPlieatedmodules,diversifieddataformatandineongruousdatasourees.EnterprisedatamodelfromtheoverallbusinessPersPeetive,strueturestheoverallstruetureofthemodelofbusinessdata,achievestheeonsisteneydeseriPtionoftheoverallbusinessdata.Thisarti

4、elestudiestheteehnologyofdatawarehouse,analysesthestandardinbuildingeommoninformationmodules,designsdatamodulesofPowerenterprisedatawarehousebyusingthemethodofbuildingrelationaldatamodel,tosuPPortrelateddataanduniformlexemeforthedata一eommunicationindata一lay

5、er,tosuPPortgrasPableanduniformviewgraPhforthedlfl七rentsystemsofPowerenterprisesbybreakingtheisolatedinformationresoureesindatalayer.LinLiangeheng(ComPuterAPPlieationTeehnology)DireetedbyProf.WUKeheKEYWORDS:PowerEnterprise,CIM,DataModel,RelationalDataModel华

6、北电力大学硕士学位论文目录摘要···················,··················································,··································,···············一IABSTRACT·····,··············,···········,······································,·······································

7、·······,··……I目录································································································································……I第一章引言··········································································································

8、··,·····……11.1论文的研究背景和意义····················································································……11.2国内外研究现状··············································································.·

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