【12c】root container 和 pdb 的一些差别



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