多选题You are using replication and the binary log files on your master server consume a lot of disk space. Which two steps should you perform to safely remove some of the older binary log files?（）AUse the command PURGE BINARY LOGS and specify a binary log f

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多选题

You are using replication and the binary log files on your master server consume a lot of disk space. Which two steps should you perform to safely remove some of the older binary log files?（）

Use the command PURGE BINARY LOGS and specify a binary log file name or a date and time to remove unused files

Execute the PURGE BINARY LOGE NOT USED command

Remove all of the binary log files that have a modification date earlier than today

Edit the .index file to remove the files you want to delete

Ensure that none of the attached slaves are using any of the binary logs you want to delete

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第1题

You are using replication and the binary log files on your master server consume a lot of disk space. Which two steps should you perform to safely remove some of the older binary log files?()A.Use the command PURGE BINARY LOGS and specify a binary log file name or a date and time to remove unused filesB.Execute the PURGE BINARY LOGE NOT USED commandC.Remove all of the binary log files that have a modification date earlier than todayD.Edit the .index file to remove the files you want to deleteE.Ensure that none of the attached slaves are using any of the binary logs you want to delete

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第2题

You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）A、A backup of the target database when it is mountedB、A backup of online redo log files when the database is openC、A backup of only used data blocks in the file beingbeingbackup upD、A backup of online， read/write data files when the database is openE、A backup of only those data blocks that have changed since a previous backupF、A backup of online， read/write data files when the database is in the NOMOUNT state.

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第3题

Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt： RMAN> CONFIGURE CONTROLFILE AUTOBACKUP OFF； RMAN> BACKUP DATABASE； Which files from the database will be backed up as a result of this BACKUP command？（）A、 control fileB、 all datafilesC、 password fileD、 online redo log fileE、 archive redo log fileF、 server parameter fileG、 only the SYSTEM datafile

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第4题

You have recovered your Oracle Database 10g by using the control file backup because all copies of the current control file have been lost due to a media failure. You open your database by using the following statement： SQL>ALTER DATABASE OPEN RESETLOGS； Which of the following options is true about using the RESETLOGS option？（）A、 The log sequence is reset to 0.B、 All the online redo logs are deleted.C、 All the archived redo logs from a previous incarnation become useless.D、 The full database backup taken from a previous incarnation can be used in future.E、 Only the control file and online redo log files are updated with a new RESETLOGS SCN and time stamp.

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第5题

You are using Oracle Database 10g. The LOG_ARCHIVE_FORMAT parameter is set to ’LOG%t_%s_%r.dbf’. Why is %r used in the file name format？（） A、to uniquely identify the archived log files with the restore operationB、to uniquely identify the archived log files with the redo log group numberC、to uniquely identify the archived log files for each incarnation of the databaseD、to uniquely identify the archived log files with the number of recovery operations performed

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第6题

If you create your database using Oracle Managed Files （OMF）， what is true？（）A、You must use Oracle predefined names to identify raw partitions that will hold OMF structures. B、You must define directories for two online redo log groups and three copies of the control file. C、If your CREATE DATABASE command fails, any OMF database files that have already been created will be dropped automatically. D、You must use only OMF data files when adding new tablespaces or data files to your database in the future.

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第7题

A user executes the statement; PURGE BINARY LOGS TO 'mysql-bin.010'; What is the result?（）A、It deletes all binary log files, except 'mysql-in.010'B、It deletes all binary log files up to and including 'mysql-bin.010'C、It deletes all binary log files before 'mysql-bin.010'D、It deletes all binary log files after 'mysql-bin.010'

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You are using replication and the binary log files on your m

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