单项选择题
A. The archived redo logs are stored in an operating system-dependent location.
B. The archived redo logs are stored in the location specified by LOG_ARCHIVE_DEST_1.
C. The archived redo logs are stored in the location specified by DB_RECOVERY_FILE_DEST.
D. The archived redo logs are stored in the locations specified by both LOG_ARCHIVE_DEST_1 and DB_RECOVERY_FILE_DEST.
单项选择题 Youhaveconfiguredtheflashrecoveryareatostoreonlineredologfiles，controlfiles，archivedredologsandRMANbackups.Whichofthefollowingfilescanyousuccessfullydeletefromtheflashrecoveryareaifyouwanttoreclaimthespacewithinit？（）
单项选择题 Your Oracle Database 10g is online when you execute the following statement： SQL>ALTER TABLESPACE MY_TABLESPACE FLASHBACK OFF； What is the result of executing this statement if the Flashback Database feature is already enabled in the database？（）
单项选择题 At10：30A.M.，youranabatchjobbymistake，whichexecutedatransactioninthedatabase.Thetransactionidentifierofthetransactionthatmadetothechangesinthedatabaseis0500A00627B000.At11：10A.M.，youstoppedthebatchjob.Now，youwanttoidentifythechangesmadetothedatabasetablesbythebatchjob.Whichviewwillyouquery？（）