单项选择题
You scheduled a backup by using the Schedule Backup option in Oracle Enterprise Manager. Which statement about the script created by Oracle Enterprise Manager is true? ()
A.It is a SQL script.
B.It is a PL/SQL file.
C.It is an operating system (OS) file.
D.It is a Recovery Manager (RMAN) script
相关考题
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单项选择题
TheST_INFOmastertablehasmillionsofrowsthatareupdatedveryrarely.IthasaSTATE_CODEcolumnthatcontainsthevaluefor25states.ThetableisfrequentlyqueriedontheSTATE_CODEcolumn.Whichtypeofindexwouldyousuggesttoimprovethequeryperformance?()
A.B-tree
B.bitmap
C.reverse key
D.function based -
单项选择题
Your alert log file has the following information: Tue May 25 17:43: 38 2004 ORA-00060: Deadlock detected. More info in file /u01/app/oracle/admin/ORCL/udump/orcl_ora_3173.trc. What would you do to ensure that database is still running correctly?()
A.examine the trace file and kill the session that caused the deadlock
B.examine the trace file and kill both the sessions responsible for the deadlock
C.examine the trace file for details and ask the user who caused the deadlock to rollback the transaction
D.examine the trace file for details and remember that deadlocks are resolved automatically by Oracle database
E.examine the trace file for details and use the Undo Advisor to rollback the transaction that caused the deadlock -
单项选择题
Youspecifiedsegmentspacemanagementasautomaticforatablespace.Whateffectwouldthishaveonspacemanagement?()
A.Extents would be managed by the freelists.
B.The segment would be managed by bitmaps.
C.The segment would be managed by the freelists.
D.Free space would be managed by the data dictionary.
