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 pro
| 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 |