Where\what ?

root

pdb

备注

Control files and redo log files

Y

belongs to the CDB and not to a specific container

Shared UNDO and default database temporary tablespace

y

Oracle-supplied metadata

y

Shared Oracle-supplied data

y

CDB views providing information across PDBs

y

CDB resource manager plan allowing resource management between PDBs within a CDB

y

Application tablespaces

y

Local temporary tablespaces

y

Local users and local roles

– Local users connect to the PDB where they exist

y

Non-shared local metadata

y

Non-shared application data with other PDBs

y

PDB RM plan

y

y