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单选题
You find today’s performance of your production database to be the best ever. Therefore， you want to be notified in the future whenever the performance degrades by 10% of today’s performance. What is the first step that you would take to ensure this？（）
A
create baseline metrics for today’s performance
B
write the current database metrics to a database table and create a trigger to compare with future database statistics
C
write the current database metrics to a flat file and create an operating script to compare with future database statistics
D
write the current database metrics to a database table and create a procedure to compare with future database statistics
E
write the current database metrics to a database table and submit a job using DBMS_JOB to compare with future database statistics
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更多 “单选题You find today’s performance of your production database to be the best ever. Therefore， you want to be notified in the future whenever the performance degrades by 10% of today’s performance. What is the first step that you would take to ensure this？（）A create baseline metrics for today’s performanceB write the current database metrics to a database table and create a trigger to compare with future database statisticsC write the current database metrics to a flat file and create an operating script to compare with future database statisticsD write the current database metrics to a database table and create a procedure to compare with future database statisticsE write the current database metrics to a database table and submit a job using DBMS_JOB to compare with future database statistics” 相关考题
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Memory AdvisorB
Segment AdvisorC
SQL Access AdvisorD
Automatic Workload Repository （AWR）E
Automatic Database Diagnostic Monitor （ADDM）
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多选题You are using a recovery catalog to maintain Recovery Manager （RMAN） backup information for your production database. You have registered your production database and are performing regular backups. Because of a new requirement you have added a few new tablespaces to your production database and you want them to be included in backups. Identify two options for completing this task.（）AReregistering the target database in recovery catalogBTransporting the new tablespaces to the recovery catalog databaseCSyncronizing the recovery catalog with the target database control fileDPerforming a fresh backup of the target database to include the new data files in the catalog database
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多选题In the parameter file of your production database， the FAST_START_MTTR_TARGET parameter is set to 300 to optimize instance recovery. While observing the performance of the database during instance recovery， you find that the redo log files are not sized properly to support this activity. Which two sources could you use to determine the optimal size of the redo log files？（）Athe V$LOG viewBthe V$DBFILE viewCthe V$LOGFILE viewDthe V$INSTANCE_RECOVERY viewEOracle Enterprise Manager Database Control
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