A database is running in ARCHIVELOG mode and regular backups are performed. A user receives the following error message: Which is the recommended sequence of operations you need to perform for the query successfully?()
- 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.
正确答案:C
答案解析:有
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