Which three statements are true about unplugging a pluggable database (PDB)?

The correct answer is B. The PDB must be dosed. D. The unplugged PDB can be plugged into the same multitenant container database (CDB) E. The unplugged PDB can be plugged into another CDB. B, not A: The PDB must be closed before unplugging it. D: An unplugged PDB contains data dictionary tables, and some of the columns in these encode information in an endianness-sensitive way. There is no supported way to handle the conversion of such columns automatically. This…

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Question

Options

AThe PDB must be open in read only mode.
BThe PDB must be dosed.
CThe unplugged PDB becomes a non-CDB.
DThe unplugged PDB can be plugged into the same multitenant container database (CDB)
EThe unplugged PDB can be plugged into another CDB.
FThe PDB data files are automatically removed from disk.

How the community answered

(26 responses)

A
8% (2)
B
69% (18)
C
19% (5)
F
4% (1)

Explanation

B, not A: The PDB must be closed before unplugging it. D: An unplugged PDB contains data dictionary tables, and some of the columns in these encode information in an endianness-sensitive way. There is no supported way to handle the conversion of such columns automatically. This means, quite simply, that an unplugged PDB cannot be moved across an endianness difference. E (not F): To exploit the new unplug/plug paradigm for patching the Oracle version most effectively, the source and destination CDBs should share a filesystem so that the PDB's datafiles can remain in place.

Topics

#PDB unplug#multitenant CDB#pluggable database lifecycle#PDB portability

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