单项选择题
A. The database allows only queries； no other statements are allowed.
B. The database re-creates the missing redo log files automatically.
C. The database continues to function normally with the existing files.
D. The database returns an error and the database instance shuts down.
E. The user sessions that generate redo logs are terminated automatically.
单项选择题 TheEMPLOYEEStableisstoredintheUSERStablespace.YouneedtocheckiftheEMPLOYEEStableisaffectedbytheblockcorruptionfoundintheUSERStablespace.Whichoptionwouldyouuse？（）
单项选择题 YouareworkingonanOracleDatabase10gdatabasethatoperatesintheARCHIVELOGmode.At06：00p.m.，youdiscoveredthatatableintheSYSTEMtablespacethatdoesnotbelongtothedatadictionarywasdroppedat03：00p.m.Whatwouldyoudotorecoverthetable？（）
单项选择题 In your database， all the tablespaces are locally managed. You started Recovery Manager （RMAN） using recovery catalog. The following commands are used in the process of recovering the database by using the backup control file： 1.RESTORE CONTROLFILE； 2.RESTORE DATABASE； 3.ALTER DATABASE MOUNT； 4.SQL ALTER TABLESPACE temp ADD TEMPFILE 5.ALTER DATABASE OPEN RESETLOGS； 6.RECOVER DATABASE； 7.STARTUP NOMOUNT； In what sequence would you use this process to perform the recovery？（）