[单选]
What does the output on this report indicate？（）
RMAN> report need backup；
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
Report of files with less than 1 redundant backups
File #bkps Name
5 0 C：\ORACLE\ORADATA\ORCL\MY_DATA_01.DBF

A . The my_data_01.dbf datafile is corrupted and needs to be restored.
B . The my_data_01.dbf datafile has not yet been backed up. This report does not imply that the data in the datafile can not be recovered.
C . The my_data_01.dbf datafile has not yet been backed up. This report implies that the data in the datafile can not be recovered.
D . The my_data_01.dbf datafile no longer meets the retention criteria for backups.
E . Datafile 5 is missing.

绝缘手套的试验周期是（）。每年一次。六个月一次。五个月一次。下列哪种麻醉方法不属于局部麻醉（）表面麻醉。局部浸润麻醉。局域阻滞麻醉。吸人麻醉。神经阻滞。公司的所有权归股东所有，决策权最终由（）共同空控制。股东大会。股东。董事会。监事会。 Which three statements are true regarding the logical structure of the Oracle database？（） Each segment contains one or more extents.。 Multiple tablespaces can share single data file.。 A data block is the smallest unit of I/O for data files.。 It is possible to have tablespaces of different block sizes in a database.。 Each data block in the database always corresponds to one OS block.。怎样进行亚慢性和慢性毒性试验设计？

What does the output on this report indicate？（）
RMAN> report need backup；
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
Report of files with less than 1 redundant backups
File #bkps Name
5 0 C：\ORACLE\ORADATA\ORCL\MY_DATA_01.DBF

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[单选] What does the output on this report indicate？（） RMAN> report need backup； RMAN retention policy will be applied to the command RMAN retention policy is set to redundancy 1 Report of files with less than 1 redundant backups File #bkps Name 5 0 C：\ORACLE\ORADATA\ORCL\MY_DATA_01.DBF

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[单选]
What does the output on this report indicate？（）
RMAN> report need backup；
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
Report of files with less than 1 redundant backups
File #bkps Name
5 0 C：\ORACLE\ORADATA\ORCL\MY_DATA_01.DBF