多项选择题
A. DB_CREATE_FILE_DEST
B. DB_RECOVERY_FILE_DEST
C. DB_RECOVERY_FILE_DEST_SIZE
D. DB_ONLINE_LOG_DEST_n
单项选择题 YouaremaintaininganOLTPdatabaseinOracle10g.YouhaveconfiguredtheFlashRecoveryAreainyourdatabase.TheFlashRecoveryAreaisfullbecauseyouhavesettheretentionpolicytoNONE.Whatwillyoudotoresolvetheproblem？（）
单项选择题 YouareworkingasaDBAinanorganization.Theflashrecoveryareafilesarecreatedin’+disk1’.Youwanttocreatenewflashrecoveryareafilesinthe’+disk2’location.Thenewlocationoftheflashrecoveryareafilesshouldbewritteninthecontrolfileandthespfile.Whichcommandwillyouissuetochangethelocationoftheflashrecoveryareafiles？（）
单项选择题 YouaremaintainingtheSALESdatabaseforanorganization.YouhaveenabledtheFlashbackDatabasefeatureandwanttoestimatetheflashbackspacerequiredforfutureoperations.Whichviewwouldyouquerytoestimatetheflashbackspacerequired？（）