an OVERIEW of distribute database management---优先看.pdf

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1、ANOVERVIEWOFDISTRIBUTEDDATABASEMANAGEMENTBYAYSEYASEMINSEYDIMCSE8343-DISTRIBUTEDOPERATINGSYSTEMSFALL1998TERMPROJECTTABLEOFCONTENTSINTRODUCTION..........................................................................................................................21.WHATISADIST

2、RIBUTEDDATABASESYSTEM?..........................................................32.ADVANTAGESANDDISADVANTAGES.............................................................................63.TRANSPARENCY............................................................................

3、........................................74.DISTRIBUTEDDBMSISSUES...............................................................................................85.PARALLELDATABASESYSTEMS....................................................................................10CONCLU

4、SION.............................................................................................................................12REFERENCES.............................................................................................................................131INTRODUC

5、TIONDistributeddatabasetechnologyisoneofthemostimportantdevelopmentsofthepastdecades.Thematurationofdatabasemanagementsystems-DBMS-technologyhascoincidedwithsignificantdevelopmentsindistributedcomputingandparallelprocessingtechnologiesandtheresultistheemergenceofdistributedDBM

6、SsandparallelDBMSs.Thesesystemshavestartedtobecomethedominantdatamanagementtoolsforhighlyintensiveapplications.Thebasicmotivationsfordistributingdatabasesareimprovedperformance,increasedavailability,shareability,expandibility,andaccessflexibility.Although,therehavebeenmanyrese

7、archstudiesintheseareas,somecommercialsystemscanprovidethewholefunctionalityfordistributedtransactionprocessing.Importantissuesconcernedinstudiesaredatabaseplacementinthedistributedenvironment,distributedqueryprocessing,distributedconcurrencycontrolalgorithms,reliabilityandava

8、ilabilityprotocolsandreplicationstrategies.Asthesubjectisbroa