【多选题】
A The target PDB must be registered in a Virtual Private Catalog
B The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog
C The target PDB must be registered in both the base catalog and the Virtual Private Catalog
D The target PDB must be registered in a base catalog
E The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBS
F The base catalog must be enabled for Virtual Private Catalog use
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