单项选择题
Which background process does Automatic Shared Memory Management use to coordinate the sizing of memory components?()
A.PMON
B.SMON
C.MMNL
D.MMAN
E.MMON
相关考题
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单项选择题
You work as a database administrator for Certkiller .com. You received the following error while working on your database: ORA-01555: snapshot too old In which situation would you receive such an error?()
A.You performed rollback after commit.
B.If a log switch occurs in your database.
C.Thearchiverfails to generate an archived log file.
D.Instance recovery fails to find one of the redo log files.
E.A long-running query is unable to get read-consistent image.
F.If you perform manual undo management operations in auto mode. -
单项选择题
You work as a database administrator for Certkiller .com. You added atablespaceto your database. Because of the changes to the physical structure of your database, you performed a backup of the control file to trace. After this, you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database?()
A.Start the instance and open the database, instance recovery automatically recovers control files
B.Create a file based on the contents of the trace file and save it to the control file locations and start the database
C.Re-create the database (The recovery of the control file is not possible because you have lost all the control files.)
D.Start the instance, in the NOMOUNTstate,re-create the control file using the CREATE CONTROLFILE command stored in the trace file.
E.Start the instance and MOUNT the database, then re-create the control file using the CREATE CONTROLFILE command stored in the trace file. -
单项选择题
YouworkasadatabaseadministratorforCertkiller.com.Clientconnectionrequestsarefailingbecausethelistenerisnotresponding.Youwanttoforwardclientconnectrequeststoanotherlistenerifonelistenerisnotresponding.Howdoyouachievethis?()
A.Enable instance failover
B.Configure shared server
C.Enable database failover
D.Enable connect-time failover
E.Enable Transparent Application Failover (TAF)
