分布式數(shù)據(jù)庫在管理信息系統(tǒng)中的應(yīng)用.pdf

1、武漢理工大學(xué)碩士學(xué)位論文分布式數(shù)據(jù)庫在管理信息系統(tǒng)中的應(yīng)用姓名：李晶晶申請學(xué)位級別：碩士專業(yè)：管理科學(xué)與工程指導(dǎo)教師：王虎20040501魚墼鏨盔笪型耋遨AbstractTheexchangeofmessageisanimportantpartintheeconomicactivitiesofthe21stcenturyThespeedofgettingmessagehasproximatebeenboundupwiththeprofi

2、tofthecompanyWiththeenterprise’Sstructuremoreandmoreseparated，intensivedatabasehasnotsatisfiedtheneedoftheusersanylongerAndthetechnologyofthedistributeddatabasewillbecometheroleTheauthorhasdonesomeresearchontheapplyingdi

3、stributeddatabasetotheinformationmanagementsystembymuchanalysisandpracticeThedistributeddatabasemeansadatabasewitchseparatedindifferentplacesandunitedinlogicItCanbedividedtotwosortstherearealikestructureanddifferentstruc

4、tureAndithascharacterssuchasusingincommon，independence，controllingredundancyandseparatedtransactionofbusinessTheresearchondistributeddatabasebeganfromthe1970’Sandsomeproducthasbeenputtouseinthe1990’SThefuturedirectionoft

5、hedevelopmentofthedistributedincludesopeningdatabasesevercollocatedataseverdistributedknowledgesystemThemodulestructureofdistributeddatabaseIncludeslocalintemalstratum，localconceptstratum，globalconceptstratumandglobalint

6、emalstratumThemanagementofthedistributedsystemiscomposedofglobaldatabasemanagementsystem，localdatabasemanagementsystemandcommunicationmanagementNetcommunicationdevice，distributedmanagementsystem，distributeddatabase，syste

7、madministratorandsoftwarewordwitchmakeup’ofthewholedistributedsystemThefirstworkisdistributinganddemarcatingdatainordertosendmessageDistributingmeansdividingdataonthegroundsoftheneedsofusersanddemarcatingisputtingdiffere

8、ntframeworktovaryingplacesDistributingincludeshorizontal，vertical，mixedandinductivedividingmodesThecollocatedtransactionCaninsureofefficientandcorrectworkandithaslockandtimeimpressioncontrolmodelsIntegratedrestrictionCan