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The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issued the following command: SQL> ALTER TABLESPACE hi_data BEGIN BACKUP; Which two statements are true in this scenario? （）
- A、No transaction on the tablespace is allowed but you can perform queries.
- B、The tablespace will automatically come out of backup mode when the file copy is complete.
- C、The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.
- D、The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.
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更多 “ The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issued the following command: SQL ALTER TABLESPACE hi_data BEGIN BACKUP; Which two statements are true in this scenario? （）A、No transaction on the tablespace is allowed but you can perform queries.B、The tablespace will automatically come out of backup mode when the file copy is complete.C、The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.D、The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.” 相关考题
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A total of six NICs： two pairs of teamed NICs for the DMZ and two NICs for the backenddatabase.B
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多选题You are maintaining a database that is in ARCHIVELOG mode. You have configured the flash recovery area in your database. The database is in MOUNT EXCLUSIVE mode， and you want to configure the Flashback Database feature. Which two options are NOT required to configure the Flashback Database feature？ （）AOpen the database in read-only mode.BSet the retention target with the DB_FLASHBACK_RETENTION_TARGET initialization parameter.CEnable the block change tracking feature.DExecute the ALTER DATABASE FLASHBACK ON statement.
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单选题You have configured OMF in your database. You enabled the ALTER DATABASE ENABLE BLOCK CHANGE TRACKING； statement to enable the block change tracking feature. What information will be written in the change tracking file？（）A
the system change numberB
the locations of the redo log filesC
the locations of the datafilesD
the physical location of all the database changes
考题
单选题In which situation would you use static database registration for a listener（）A
when multiple databases are to be registered with the listenerB
when DBAs need to connect remotely to start up the database instanceC
when users need to connect the database instance using the host naming methodD
when the database instance that is to be registered with the listener is configured in shared server mode
考题
单选题ou are managing an Oracle Database 11g database. You want to take the backup of MULT_DATA, a big file tablespace of size 100 TB on tape drive, but you have tapedrives of only 10 GB each. Which method would accomplish the task quickly and efficiently?（）A
parallel image copy backup B
backup with MAXPIECESIZE configured for the channel C
parallel backup with MAXPIECESIZE configured for the channel D
intrafile parallel backup
考题
多选题Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you. Which two statements are true in this scenario？（）AThe instance aborts.BThe database cannot be recovered.CThe database can be recovered by restoring the control files from the backup.DThe database remains opened and you have to shut it down with the ABORT option.EThe database can be restored till the point of the last closed whole database backup.
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