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In your Oracle 10g database ， you have scheduled a job to update the optimizer statistics at 05：00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected？（）
- A、average row size
- B、last analyzed date
- C、size of table in bytes
- D、size of table in database blocks
- E、number of free blocks in the free list
- F、number of extents present in the table
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更多 “In your Oracle 10g database ， you have scheduled a job to update the optimizer statistics at 05：00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected？（）A、average row sizeB、last analyzed dateC、size of table in bytesD、size of table in database blocksE、number of free blocks in the free listF、number of extents present in the table” 相关考题
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单选题You executed the following command in Recovery Manager （RMAN） against your Oracle 10g database： RMAN REPORT NEED BACKUP days 3; What would be the output of this command？（）A
a list of files that require a backup within three daysB
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WindowB
ProgramC
Job classD
Window group
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单选题The job to gather optimizer statistics for objects runs as part of the automatic maintenance window inyour database instance. At a certain point of time， the maintenance window closes before the statisticsare gathered for all objects. Which statement is true in this scenario（）A
The statistics collection continues until all objects are processed.B
The job is terminated and the statistics collected are restored to a time before the job started.C
This produces an error and the statistics collected are locked until the next time that the maintenancewindow is opened.D
The job is terminated and the statistics for the remaining objects are collected the next time that themaintenance window is opened.
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单选题While designing your database， you have created the EMPLOYEES table as an index/x7forganized table （IOT）. You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）A
A primary key must have been created.B
A mapping table must have been created.C
An overflow tablespace must have been specified.D
The PCTTHRESHOLD option must have been specified.
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WindowB
ProgramC
Job classD
Window group
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The statistics collection continues until all objects are processed.B
The job is terminated and the statistics collected are restored to a time before the job started.C
This produces an error and the statistics collected are locked until the next time that the maintenancewindow is opened.D
The job is terminated and the statistics for the remaining objects are collected the next time that themaintenance window is opened
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You should check ERRORLOGB
You should check QL1.logC
You should check SQLAGENT.OUTD
You should check log_xx.trc
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多选题You work as a database administrator for Certkiller .com. In your transaction application， you have scheduled a job to update the optimizer statistics at05：00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected？（）AAverage row sizeBLast analyzed dateCSize of table in bytesDSize of table in database blocksENumber of free blocks in the free listFNumber of extents present in the table.
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多选题You work as a database administrator for Certkiller .com. You want to administer your database servers，which are running on different host machines，using the Web-enabled grid control interface. You have configured the agent on the host machines. You have started the Oracle Database 10g Grid Control utility on your machine. Which two additional components would you configure to achieve this objective？（）AApplication Server ControlBOracle Management ServiceCOracle Enterprise Manager RepositoryDOracle Enterprise Manager Database Control
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单选题Initially， for the Automatic Workload Repository （AWR） statistics，the retention period is set to 7 days， the collection interval is set to 30 minutes and the collection level is set to Typical in your production database. You have been using the Memory Advisor for the last three months to generate recommendations for tuning memory components. However，when you observe the Memory Advisor on a Friday，you find that the statistics are available only for two days， Thursday and Friday，of that week. What would have caused the statistics to be removed？（）A
On Wednesday， the statistics have been purged.B
On Wednesday， the retention period has been set to zero.C
On Wednesday， the collection interval has been set to zero.D
On Wednesday， the collection level has been changed to All.E
On Wednesday， the retention period has been set to one day.F
On Wednesday， the retention period has been set to two daysG
On Wednesday, the collection level has been changed to Typical.H
On Wednesday, the collection interval has been set to 1440 minutes.
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问答题Practice 7 ● Your company has planned three training courses：Foreign Language Development, Changes in Technology, Management Skills. ● You have been asked to write a report, recommending the course you think would be most useful for people who do the same kind of job as you. ● Write the report, saying which course you have chosen. ● Explain why you feel it would be the most useful and why the others are not so suitable. ● Write 200-250 words on your Answer Sheet．
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单选题Using Oracle Scheduler you have scheduled two jobs， JOB_Aand JOB_B， to run at 9：00 p.m. every Friday. You want both the jobs to use a single resource plan， WEEKEND_PLAN. Which task must have already been performed to enable you to achieve this objective？（）A
A window must have been created with the WEEKEND_PLAN resource plan.B
A program must have been created with the WEEKEND_PLAN resource plan.C
A job class must have been created with the WEEKEND_PLAN resource plan.D
A window group must have been created with the WEEKEND_PLAN resource plan.
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