清江水電調度系統(tǒng)數(shù)據(jù)倉庫研究與設計.pdf

1、華中科技大學碩士學位論文清江水電調度系統(tǒng)數(shù)據(jù)倉庫研究與設計姓名：胡蓉申請學位級別：碩士專業(yè)：水利水電工程指導教師：周建中2003.5.2華中科技大學碩士學位論文AbstractThedatawarehouseisattheforefrontofinformationtechnologyapplicationsasawaytoeffectivelyusedigitalinformationfordecisionsupportsystemI

2、tisanevolvingtechnologytodatatransactionandmanagementDecisionsupportsystembasedonthedatawarehousecanusethedataresourcefullyandimprovethelevelofmanagementanddecisionmakingThetheoryandapplicationtechnologyofdatawarehousebe

3、comesahotresearchtopic，andbringlotsofeconomicbenefitespeciallyintelecomandbankIntheinformationagethedataofhydropowersystemincreasessomuchwiththemarketcompetitionthatitisdifficulttogetusefulinformationThedataformatsalediv

4、ersifiedandthedataaredecentralizedintheformermanagerinformationsystemsNowthedatawarehousetechnologyisrarelyappliedsuccessfullyinhydropowerschedulesystemcommonlyTheconstructionandapplicationofdatawarehouseanddesignsadataw

5、arehouseisdiscussedfortheschedulesystemofhydropowerpowerstationsinthisthesisThedatawarehouseincludesdatatransformlayer，datastoragelayeranddataaccesslayerThedatastoragelayerisdividedintofourclasses：detaildata、operatedata、

6、summarydataandinformationdataforefficientlymanagingdataandrapidlyaccessingdataDatastructurefordecisionandanalysisisdesignedinthisthesisConsideringtheexpansibilityandtheinterfaceofexteriordata，thedatastructureisrecomposed