单项选择题
A. It keeps track of changes in the background processes.
B. It records the system change number （SCN） in the control file.
C. It writes audit records for user changes to the change tracking file.
D. It records any changes to the listened configuration in the listener.ora file.
E. It records any changes to the database parameters in the change tracking file.
F. It records the physical location of all the changes that are made to the database in the change tracking file.
多项选择题 You enabled Automatic Shared Memory Management. The initialization parameters are set as shown below： SGA_TARGET= 10GB SGA_MAX_SIZE = 14GB STREAMS_POOL_SIZE = 1GB SHARED_POOL_SIZE = 3GB Which two statements are correct in this scenario？ （）
多项选择题 Inwhichscenarioswouldyourebuildanindex？（）
单项选择题 YousettherecoverywindowtosevendaysandthebackupoptimizationtoONusingtheCONFIGUREcommandofRecoveryManager（RMAN）.ThemostrecentbackupoftheTOOLStablespacetodiskwastakenonJanuary3.TheTOOLStablespaceisread-only.OnFebruary21，whenyouexecuteacommandtobackupallthetablespacestodisk，youfindthatRMANbacksupthe TOOLS tablespacealso，eventhoughthecontentsofthetablespacehavenotchangedafterthebackuponJanuary3.BecausetherearenochangesmadetotheTOOLStablespace，youdecidethatthetablespaceshouldnotbebackedupbyRMAN.WhatcanyoudotoskipbackinguptheTOOLStablespacewithoutchangingthecurrentbackupoptimizationsetting？（）