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