单项选择题
You are managing a database for which incremental backups can be very time consuming. In order to perform optimized incremental backups you enable the block change tracking feature.How would you instruct RMAN to use the block change tracking feature when performing incremental backups？（）
A. You need to mention it with every BACKUP command.
B. The block change tracking feature is used automatically by RMAN.
C. You need to configure it using the CONFIGURE command.
D. You need to set the necessary initialization parameters to direct RMAN to use the feature.
相关考题
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多项选择题
Youhavecreatedajobclass，CUST_JOB_1，withtwojobs，CUST_JOB_1_AandCUST_JOB_1_B.Whichtwostatementsaretrue？（）
A. The member jobs would get dropped when the job class is dropped.
B. Both the jobs would be executed concurrently.
C. The member jobs would get disabled when the job class is dropped.
D. The attributes defined at the class level would be applied to both the jobs.
E. Jobs in the job class must have been assigned the same priority. -
单项选择题
Thedatabasehasthedatablocksizesetto8KB.Youneedtoimportatablespacewitha4KBblocksizeintothedatabase.Whichadditionalmemoryparameter（s）shouldbeconfiguredtoperformatransportabletablespaceimport？（）
A. DB_4K_CACHE_SIZE only
B. DB_8K_CACHE_SIZE only
C. DB_BLOCK_SIZE and DB_4K_CACHE_SIZE
D. DB_BLOCK_SIZE and DB_8K_CACHE_SIZE
E. SGA_TARGET and DB_4K_CACHE_SIZE
F. DB_CACHE_SIZE only -
多项选择题
WhichtwostatementsarecorrectregardingtheFlashbackVersionsQueryfeature？（）
A. You can use this feature to identify the committed versions of the rows， but not the uncommitted versions.
B. You can use this feature to identify the versions of V$ views.
C. You can use this feature to identify the inserts， deletes， and updates performed on a particular row but not the data definition language （DDL） operations performed on the table.
D. You can use this feature for a table only if row movement is enabled for the table.
E. You can use this feature to identify the versions of external and fixed tables.
