多项选择题
You have enabled backup optimization for the RMAN environment. Identify two criteria on which RMAN will skip the file， if it has already been backed up.（）
A. The data file backup is done with multiple channels
B. The data files is in the read-write mode after being backed up in the read only mode
C. The backup was taken after the data files was taken offline-normal or is in the read only mode
D. The data file backup complies with the back retention policy and the backup duplexing fe ture
相关考题
-
单项选择题
You want to set the following initialization parameters for your database instance： LOG_ARCHIVE_DEST_1 = ’LOCATION=/disk1/arch’ LOG_ARCHIVE_DEST_2 = ’LOCATION=/disk2/arch’ LOG_ARCHIVE_DEST_3 = ’LOACTION=/disk3/arch’ LOG_ARCHIVE_DEST_4 = ’LOCATION=/disk4/arch MANDATORY’ Identify the statement that correctly describes this setting.（）
A. The MANDATORY location must be a flash recovery area.
B. The optional destinations may not use the flash recovery area.
C. This setting is not allowed because the first destination is not set as MANDATORY.
D. The online redo log file is not allowed to be overwritten if the archived log cannot be created in the fourth destination. -
单项选择题
Before a Flashback Table operation，you execute the following command： ALTER TABLE employees ENABLE ROW MOVEMENT； Why would you need this to be executed？（）
A. Because row IDs may change during the flashback operation
B. Because the object number changes after the flashback operation
C. Because the rows are retrieved from the recycle bin during the flashback operation
D. Because the table is moved forward and back to a temporary during the flashback opertion -
多项选择题
Whichthreetypesoffilescanbeautomaticallyplacedintheflashrecoveryareafastrecoveryareain11gRelease2？（）
A. Alert log file
B. Archived redo log files
C. Control file autobackups
D. Server Parameter file （SPFILE）
E. Recovery Manager （RMAN） backup piece
