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问题

Your multitenant container database,

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.

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参考解析：

分类：1Z0-060题库

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