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

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单项选择题

The ST_INFO master table has millions of rows that are updated very rarely. It has a STATE_CODE column that contains the value for 25 states. The table is frequently queried on the STATE_CODE column. Which type of index would you suggest to improve the query performance？（）

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

You specified segment space management as automatic for a tablespace. What effect would this have on space management？（）

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.

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？ （）

相关考题

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？（）