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You perform a backup using the following BACKUP command： RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE； Which statement is true of this command？（）
- A、 A different procedure is required to restore a database from compressed backups
- B、 The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.
- C、 Using this command to create backups minimizes the bandwidth consumed
- D、 Using this command to create backups improves the performance of the backup process
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更多 “ You perform a backup using the following BACKUP command： RMAN BACKUP AS COMPRESSED BACKUPSET DATABASE； Which statement is true of this command？（） A、 A different procedure is required to restore a database from compressed backupsB、 The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.C、 Using this command to create backups minimizes the bandwidth consumedD、 Using this command to create backups improves the performance of the backup process” 相关考题
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单选题You need to rename a data file of a tablespace. How would you perform this？（）A
AB
BC
CD
D
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单选题You are developing an application that will perform mathematical calculations.You need to ensure that the application is able to perform multiple calculations simultaneously. What should you do？（）A
Set the IdealProcessor property of the ProcessThread object.B
Set the ProcessorAffinity property of the ProcessThread object.C
For each calculation， call the QueueUserWorkItem method of the ThreadPool class.D
Set the Process.GetCurrentProcess（）.BasePriority property to High.
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单选题An important tablespace of your database is dropped by mistake. You use the Flashback Database feature to retrieve the tablespace. You perform the following steps to retrieve the tablespace： 1. You log on to Enterprise Manager as SYSDBA. 2. You select the maintenance screen. 3. You choose Perform Recovery option on the maintenance screen. 4. You choose Whole Database in the Object Type drop-down list Perform Recovery： Type screen. 5. You choose Recover to Current Time from the Operation Type on the Perform Recovery： Type screen. 6. You provide the Host Credentials for a database user. on the Perform Recovery： Type screen. 7. You click the continue button. An information screen appears saying that the database is unavailable. What is this information screen？（）A
Recovery ManagerB
Recovery WindowC
Recovery WizardD
Enterprise Manager Home Page
考题
单选题Because of a logical corruption in your production database， you wanted to perform Tablespace Point in Time Recovery （TSPITR）. But before you start the recovery，you queried the TS_PITR_OBJECTS_TO_BE_DROPPED view and realized that there are a large number of objects that would be dropped when you start the recovery by using this method. You want to preserve these objects. Which option must you use to perform TSPITR and preserve the object？（）A
Perform Export before TSPITR and Import after TSPITRB
Move objects to another schema that has the same tablespace assignedC
Perform Incomplete Recovery before TSPITR with the Log Sequence Number （LSN）D
Perform Incomplete Recovery before TSPITR with the System Change Number （SCN）
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单选题The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file： ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3； Which action should you perform immediately after using this command？（）A
You should perform a log switchB
You should make a backup of the databaseC
You should switch the database to the NONARCHIVELOG modeD
You should shut down the database instance and perform a complete database recovery
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