标签：oracle教程,oracle数据库,
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doc01OracleDW培训材料4DrivingImplementationThroughaMethodologyOverviewObjectivesAftercompletingthislesson,youshouldbeabletodothefollowing:ExplainthedifferentapproachestowarehousedevelopmentandthebenefitsofanincrementalapproachIdentifythepurposeoftheOracleMethodDiscussthepurposeandfundamentalelementsoftheOracleConsultingDataWarehouseMethodIdentifytheDataWarehouseMethodasaseriesofprocessesandapproachesDiscusstheobjectivesoftheOracleWarehouseTechnologyInitiative“BigBang”Approach“BigBang”Approach:AdvantagesandDisadvantagesAdvantages:TheonlyrealadvantageiswherethewarehouseisbeingbuiltaspartofanothermajorprojectorprogramsuchasreengineeringandtheyaredependentoneachotherHavinga“bigpicture”ofthedatawarehousebeforestartingthedatawarehousingprojectDisadvantages:Involvesahighrisk,takesalongertimeRunstheriskofneedingtochangerequirementsIncrementalApproachtoWarehouseDevelopmentMultipleiterations......，大小：262 KB