多項(xiàng)選擇題

Which statements about the MEMORY_TARGET initialization parameter are true？（）

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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單項(xiàng)選擇題

You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy：
CONFIGURE RETENTION POLICY TO REDUNDANCY 3；
Which statement is true？（）

A. The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabled
B. Backup optimization is performed， but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed up
C. Backup optimization is permanently disabled
D. Backup optimization is temporarily disabled because a redundancy-based retention policy is specified

單項(xiàng)選擇題

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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Which statements about the MEMORY_TARGET initialization parameter are true？（）

你可能感興趣的試題

You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy： CONFIGURE RETENTION POLICY TO REDUNDANCY 3； Which statement is true？（）

You perform a backup using the following BACKUP command： RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE； Which statement is true of this command？（）

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Which statements about the MEMORY_TARGET initialization parameter are true？（）

You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy：
CONFIGURE RETENTION POLICY TO REDUNDANCY 3；
Which statement is true？（）

You perform a backup using the following BACKUP command：
RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE；
Which statement is true of this command？（）