题目内容

力法中,主系数是由()图乘得出的

A. M1和M1
B. 以上都不是
C. MP和MP
D. M1和MP

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What elements of globalization can be explicitly defined using the NLS_LANG environment variable?()

A. NLS_LANGUAGE
B. NLS_SORT
C. NLS_CALENDAR
D. NLS_CHARACTERSET
E. NLS_TERRITORY

Youarecreatingacluster.Thetablesintheclusterhavearelativelyuniformdistributionofvaluesintheindexcolumnandthequeriesagainsttheclusteredtablewillalmostuseanequalityoperatortoretrievethedesiredrow.Whichtypeofclusterwillyoucreate?()

A. Indexcluster
B. Hashcluster
C. SortedHashcluster
D. RealApplicationCluster

ForwhichofthefollowingcanyouuseSegmentShrink?()

A. Heaptables
B. Tableswithfunction-basedindexes
C. Indexes
D. Partitionsandsubpartitions
E. Noneoftheabove

YouaremaintainingyourdatabaseinOracle10g.YouhavesetthevalueoftheSTATISTICS_LEVELinitializationparametertoTYPICALandthevalueoftheFAST_START_MTTR_TARGETparameterto900seconds.Toincreasetheperformanceofthedatabase,youwanttodeterminethelogfilesizethatshouldequaltheminimumsizeofalltheonlineredologfiles.Whichcolumnwillenableyoutoperformthedesiredtask?()

A. theWRITES_LOGFILE_SIZEcolumnoftheV$INSTANCE_RECOVERYview
B. thecolumnoftheV$INSTANCE_RECOVERYview
C. theOPTIMAL_LOGFILE_SIZEcolumnoftheV$INSTANCE_RECOVERYview
D. theLOG_FILE_SIZE_REDO_BLKScolumnoftheV$INSTANCE_RECOVERYview

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