Anapplicationarchitecturespecifiesthetechnologiestobeusedtoimplementoneormoreinformationsystems.Itservesasanoutlinefordetaileddesign,construction,andimplementation.Giventhemodelsanddetails,include(请作答此空),wecandistributedataandprocessestocreateageneraldesignofapplicationarchitecture.Thedesignwillnormallybeconstrainedbyarchitecturestandards,projectobjectives,and().ThefirstphysicalDFDtobedrawnisthe().Thenextstepistodistributedatastorestodifferentprocessors.Data()aretwotypesofdistributeddatawhichmostRDBMSssupport.Therearemanydistributionoptionsusedindatadistribution.Inthecaseof(),weshouldrecordeachtableasadatastoreonthephysicalDFDandconnecteachtotheappropriateserver.
A.logical DFDs and ERD B.ideal object model and analysis class model C.use case models and interface prototypes D.physical DFDs and database schema正确答案A