The HR_ROOT application container must support the execution of a query on a table shared by application local PDBs PDB1 and PDB2, and remote PDB PDB3. Which three are true? (Choose three.)

Question

Options

• AA proxy PDB must exist in the application root in the remote CDB.
• BA database link must exist in the local CDB root referring to the remote CDB.
• CPDB3's application root replica must exist in the local CDB.
• DA database link must exist in the remote CDB referring to the local CDB.
• EThe HR_ROOT replica must exist in the remote CDB.
• FA proxy PDB must exist in the application root in the local CDB.

• A
  17% (8)
• B
  70% (32)
• C
  9% (4)
• D
  4% (2)

Explanation

Database link must be created in master application root (local CDB) referring to replica application root (remote CDB). Option B Proxy PDB must be created in master application root (local CDB) using this database link. Replica application root must exist in remote CDB (created or upgraded using SYNC in local Proxy PDB). Option E With this, we can make a SELECT that will show data from local and remote PDB applications (Query in local master application root using CONTAINERS clause). https://docs.oracle.com/en/database/oracle/oracle-database/18/multi/administering-application- containers-sql-plus.html#GUID-B96087B5-678C-4781-9464-42FC468B1FCC

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