多項(xiàng)選擇題

You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.
Which two statements are true about this backup operation? （）(Choose two.)

A. Backup compression should be enabled
B. Parallelism for the channel should be set to 2
C. All the files must be backed up as backup sets
D. The backup may be stored either on disk or on media with media manager

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多項(xiàng)選擇題

To enable faster incremental backups, you enabled block change tracking for the database.Which two statements are true about the block change tracking file? （）(Choose two.)

A. Multiple change tracking files can be created for a database.
B. The change tracking file must be created after the first level 0 backup.
C. RMAN does not support backup and recovery of the change tracking file.
D. The database clears the change tracking file and starts tracking changes again, after whole database restore and recovery operations.

單項(xiàng)選擇題

Which statements about the MEMORY_TARGET initialization parameter are true?（） (Choose all that apply.)

A. MEMORY_TARGET can be increased up to the value of MEMORY_MAX_TARGET, if MEMORY_MAX_TARGET is set to a value greater than zero
B. MEMORY_MAX_TARGET defaults to a value of zero if MEMORY_TARGET is not set
C. MEMORY_TARGET represents the total amount of memory that can be allocated to SGA and PGA memory structures.
D. MEMORY_TARGET is static and cannot be modified without shutting down the instance

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You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database. Which two statements are true about this backup operation? （）(Choose two.)

你可能感興趣的試題

To enable faster incremental backups, you enabled block change tracking for the database.Which two statements are true about the block change tracking file? （）(Choose two.)

Which statements about the MEMORY_TARGET initialization parameter are true?（） (Choose all that apply.)

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You want to take a complete database backup using RMAN. The backup should consist only the used blocks from your database.
Which two statements are true about this backup operation? （）(Choose two.)