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多选题
Your database instance is functional for the past one month. The Automatic Workload Repository（AWR） snapshot retention is set to 7 and the STATISTICS_LEVEL initialization parameter is set to TYPICAL. You receive a complaint about the poor performance of the database between 7 PM and 9 PM of theprevious day. Choose two actions any of which can be referred to first to diagnose the problem. （）
A
Use the Active Session History report.
B
Use the AWR Compare Periods report.
C
Use an ADDM analysis between 7 PM and 9 PM of the previous day.
D
Use the AWR Compare Period report between 7 PM and 9 PM of the previous day.
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更多 “多选题Your database instance is functional for the past one month. The Automatic Workload Repository（AWR） snapshot retention is set to 7 and the STATISTICS_LEVEL initialization parameter is set to TYPICAL. You receive a complaint about the poor performance of the database between 7 PM and 9 PM of theprevious day. Choose two actions any of which can be referred to first to diagnose the problem. （）AUse the Active Session History report.BUse the AWR Compare Periods report.CUse an ADDM analysis between 7 PM and 9 PM of the previous day.DUse the AWR Compare Period report between 7 PM and 9 PM of the previous day.” 相关考题
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You must have started the database instance in restricted mode.B
You must have started the database instance inNORMALmode.C
You must have started the database instance with server parameter file.D
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You must have started the database instance but must not have opened.
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Oracle Migration AssistantB
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conventional Oracle Export and ImportE
operating system utilities to copy the files to the ASM instance
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Start the instance and open the database， instance recovery automatically recoverscontrol filesB
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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.
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多选题You work as a database administrator for Certkiller .com. Your database is opened in NOARCHIVEKLOG mode. You decide to place the database in ARCHIVELOG mode. How would you do this？（）AExecute the ALTER DATABASE ARCHIVELOG statementBSelect ARCHIVELOG option in the database control and restart the database to apply the changes.CShut down and start the instance, and in the NOMOUNT state execute the ALTER DATABASE ARCHIVELOG statement.DShut down and start the instance, mount the database, then execute the ALTER DATABASE ARCHIVELOG statement.
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Shut down the instance， copy the control file to the third location and open the database.B
Abort the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.C
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Shut down the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.E
Shut down the instance， startup in the mount state， copy the control file to the third location， modify the CONTROL_FILES parameter ininit.oraand open the database.
考题
单选题You work as a database administrator for Certkiller .com. Your database is functional. One of the disks containing a mirrored redo log member has bad sectors in it. You are unable to fix the damaged file. How does the loss of a redo log member affect the instance of the database that is currently running？（）A
The instance would normally abort.B
The instance would not be affected.C
The instance would be invalid， so would have to be aborted.D
The instance would remain open， but the LGWR process would fail.E
The instance would remain open and would automatically create the missing file
考题
多选题Your database instance is functional for the past one month. The Automatic Workload Repository（AWR） snapshot retention is set to 7 and the STATISTICS_LEVEL initialization parameter is set to TYPICAL. You receive a complaint about the poor performance of the database between 7 PM and 9 PM of theprevious day. Choose two actions any of which can be referred to first to diagnose the problem. （）AUse the Active Session History report.BUse the AWR Compare Periods report.CUse an ADDM analysis between 7 PM and 9 PM of the previous day.DUse the AWR Compare Period report between 7 PM and 9 PM of the previous day.
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