单项选择题

Which statement is true regarding RMAN components？（）

A.Each target database requires its own recover catalog.
B.RMAN scripts can be stored in the recovery catalog or the target control file.
C.A channel is a stream of data to a device type and corresponds to one server session.
D.The RMAN executable interprets sever session commands and establishes connections to the target database.

<上一题目录下一题>

热门试题

单项选择题You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What does the statement generate？（）

A.A text copy of the control file.
B.A binary copy of the control file.
C.A file containing a SQL statement which will re-create the database.
D.A file containing a SQL statement which will re-create the control file.

单项选择题Whichstatementistrueregardingcheckpointsandrecovery？（）

A.A checkpoint defines the highest system change number （SCN）.
B.All redo entries higher or at the SCN are known to be written to the data files.
C.Only the redo records containing SCNs higher then the checkpoint need to be applied during recovery.
D.The LOG_CHECKPOINT_INTERVAL initialization parameter specifies the amount of time between incremental checkpoints.

单项选择题Inuser-managedbackupandrecoverprocedures，howaredatafilesbackedup？（）

A.Using SQL commands.
B.Using SQL*Plus commands.
C.Using operating system commands.
D.Using Recover Manager commands.

单项选择题ToincreasetheavailabilityofanAdvancedReplicationenvironment，youcanaddanewmastertoareplicationgroupwithoutquiescingthegroup.Thisisachieved（）.

A.Only when the new master site already has existing replication groups.
B.By issuing a single command to create, populate, and activate the new master.
C.When the master definition site is not the same for all of the master groups.
D.Without impacting end users who are executing data manipulation language (DML) commands on the replicated tables.

多项选择题WhichfouraretrueregardingtheWorkspaceManagerinOracle9i？（）

A.Automatically versions all tables.
B.Automatically installed with Oracle9i.
C.Merges changes with parent rows or discard changes.
D.Provides mechanism to identify and resolve conflicts.
E.Allows for version enabling tables by use of a packages procedure.