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单项选择题

IftheADDDBPARTITIONNUMcommandisusedtoaddanewdatabasepartitiontoanexistingDB2instance,whichstatementiscorrect?()

A.Allexistingdatabasesintheinstanceareexpandedtothenewdatabasepartitionbutdatacannotbestoredonthenewpartitionuntilithasbeenaddedtoapartitiongroup.
B.Databasepartitiongroupswithinexistingdatabaseswillautomaticallyincludethenewdatabasepartitionandwillredistributetheirexistingdatatothenewpartition.
C.Anysinglepartitiondatabaseswithintheinstancewillautomaticallybecomemulti-partitiondatabasesoncethenewpartitionisaddedtotheinstance.
D.Adatabaseadministratorwouldneedtomodifythedb2nodes.cfgfiletocompletetheadditionofthenewpartitiontotheinstance.