单项选择题
A.RMAN backup-set pieces spanning backup sets
B.RMAN backup-set pieces within a given backup sets
C.RMAN backups
D.RMAN channels
E.None of the above
单项选择题 Youcreatetworesourceplans,onefordatawarehouseloadingjobsatnightandtheotherforapplicationjobsatdaytime.Youwanttheresourceplanstoactivateautomaticallysothattheresourceallocationisoptimumasdesiredbytheactivity.Howwouldyouachievethis?（）
单项选择题 TheDB_BLOCK_CHECKINGinitializationparameterissettoOFF.数据库块检测初始化参数被设定为关Whichblockcheckingwouldbeperformed?（）
单项选择题 AdatabaseisrunninginARCHIVELOGmodeandregularbackupsareperformed.Auserreceivesthefollowingerrormessage .Whichistherecommendedsequenceofoperationsyouneedtoperformforthequerysuccessfully?（）