试题详情
- 单项选择题 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
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