问题:
A . Drop the affected tablespace, re-create the tablespace, restore the datafiles, and the tablespace.
B . Take the affected datafile offline (if not already offline), restore the damaged image of the datafile, and then bring it online.
C . Restart the database in MOUNT mode, restore the damaged datafile, recover the datafile and then open the database with resetlogs.
D . Put the database in RESTRICTED mode, restore all the datafiles in the affected datafile and recover the tablespace, and then put the database in normal operational mode.&e
● 参考解析
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