单项选择题
A. Initiate an incomplete recovery operation using RMAN.
B. Copy the table from a development database.
C. Advise the user to rekey the data.
D. Perform a Flashback Drop operation.
E. Perform a Flashback Recovery operation.
单项选择题 Auserperformsanupdateonatable.Shortlyaftercommittingthetransaction，theyrealizethattheyhadanerrorintheirWHEREclausecausingthewrongrowstobeupdated.WhichFlashbackoptionwouldallowyoutoundothistransactionandrestorethetabletoitspreviousstate？（）
单项选择题 WhatRMANcommandisusedtoexecuteatablespacepoint-in-timerecovery？（）
单项选择题 You have configured flash recovery area in your database and you set the following Initialization parameters for your database instance： LOG_ARCHIVE_DEST 1 = ，，LOCATION=/disk1/arch MANDATORY’ LOG _ARCHIEVE_DEST 2 = ，，LOCATION=/disk2/arch’ LOG_ARCHIVK_DEST_3 = ，，LOCATION=/diSk3/arch LOG_ARCH1VK_DEST_4 = ’ LOCATION=/disk4/arch’ LOG_ARCHIVE_MIN-SUCCEED_DEST = 2 While the database instance is functional，you realized that the destination set by the LOG_ARCHIVE_DEST_I parameter Is not available for the archived redo log file to be created in. All redo log groups have been used. What happens in an event of log switch？（）