单项选择题
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
相关考题
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单项选择题
Whichdependentobjectwillgetinvalidatedevenifitisnotaffectedbythetableedefinition？（）
A. packages
B. triggers
C. synonyms
D. views -
多项选择题
YouinstalledOracleDatabase11gafresh.Whichstatementsaretrueregardingthedefaultauditsettingsinthisdatabase？（）
A. The audit trail is stored in an operating system file.
B. Auditing is disabled for all privileges.
C. The audit trail is stored in the database.
D. Auditing is enabled for all privileges.
E. Auditing is enabled for certain privileges related to database security. -
多项选择题
You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for the RMAN. To accomplish the backup， you issued the following RMAN command： RMAN> BACKUP SECTION SIZE 300M TABLESPACE users； Which two statements are true regarding the execution of the above command？（）
A. The RMAN parallelizes the backup although the parallelism is not set for a channel.
B. The backup piece size will be limited to 300 MB.
C. The operation is accomplished using the default channel available.
D. Three channels for the tape drive must be configured by setting the parallelism to three.
