单项选择题

A. Yes， if the database is in ARCHIVELOG modeB. Yes， if……

Every Sunday the Unix system administrator has a job that executes a full backup of the entire Unix system your database is on. Is this backup usable for backup and recovery of your database？（）

A. Yes， if the database is in ARCHIVELOG mode
B. Yes， if the database is in NOARCHIVELOG mode
C. No， the backup is not usable in any way
D. Only if the ENABLE_ONLINE_BACKUP parameter is set to TRUE

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热门试题

单项选择题WhichofthefollowingisavalidwayofputtingatablespacenamedDAVE_TBSintohotbackupmode？（）

A. alter tablespace DAVE_TBS backup mode
B. alter tablespace DAVE_TBS start backup
C. alter tablespace DAVE_TBS begin backup
D. alter tablespace DAVE_TBS backup begin
E. alter tablespace DAVE_TBS backup

单项选择题Whichcommandwillresultinatracefilebeingcreatedwiththecreatecontrolfilecommandcontainedinit？（）

A. alter database backup controlfile
B. alter database backup controlfile to trace
C. alter database controlfile backup
D. alter database controlfile backup to ’/ora01/oracle/ctrl_backup.ctl’
E. alter database begin controlfile backup

单项选择题What is the correct order of steps to perform an online database backup？（） a. alter database begin backup b. alter database end backup c. Back up the database datafiles d. Back up the archive log files e. alter system switch logfile

A.a， b， c， d， e
B.e， d， a， b， c
C.a， c， b， d， e
D.d， b， c， a， e
E.a， c， b， e， d

单项选择题WhichisthecorrectcommandtoputthedatabaseinARCHIVELOGmode？（）

A. alter database archivelog
B. alter system enable archivelog mode
C. alter database enable archive
D. alter database archivelog enable
E. None of the above

多项选择题WhatarethedifferentloggingmodesavailableinOracleDatabase11g？（）

A. NOLOG mode
B. NOARCHIVELOG mode
C. LOGGING mode
D. HOTDATABASE mode
E. ARCHIVELOG mode