A、Each pluggable database (PDB) has its own set of background processes.

B、A PDB can have a private temp tablespace.

C、PDBs can share the sysaux tablespace.

D、Log switches occur only at the multitenant container database (CDB) level.

E、Different PDBs can have different default block sizes.

F、PDBs share a common system tablespace.

G、Instance recovery is always performed at the CDB level.