Your multitenant container database, CDB1, is running in ARCHIVELOG mode and has two
pluggable databases, HR_PDB and ACCOUNTS_PDB. An RMAN backup exists for the
database. You issue the command to open ACCOUNTS_PDB and find that the
USERDATA.DBF data file for the default permanent tablespace USERDATA belonging to
ACCOUNTS_PDB is corrupted. What should you do before executing the commands to
restore and recover the data file in ACCOUNTS_PDB?
A.
Place CDB1 in the mount stage and then the USERDATA tablespace offline in
ACCOUNTS_PDB.
B.
Place CDB1 in the mount stage and issue the ALTER PLUGGABLE DATABASE
accounts_pdb CLOSE IMMEDIATE command.
C.
Issue the ALTER PLUGGABLE DATABASE accounts_pdb RESTRICTED command.
D.
Take the USERDATA tablespace offline in ACCOUNTS_PDB.
D is correct.
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D is correct