单选题
ATake the USERS tablespace offline and re-create the lost data file.
BShut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.
CShut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.
DTake the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online
正确答案
答案解析
略
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