DBA_HIST_PDB_INSTANCE

DBA_HIST_PDB_INSTANCE displays the pluggable databases (PDBs) and instances in the Workload Repository.

Column	Datatype	NULL	Description
DBID	NUMBER	NOT NULL	Database ID
INSTANCE_NUMBER	NUMBER	NOT NULL	Instance number
STARTUP_TIME	TIMESTAMP(3)	NOT NULL	Startup time of the instance
CON_DBID	NUMBER	NOT NULL	The database ID of the PDB for the sampled session
OPEN_TIME	TIMESTAMP(3)	NOT NULL	Time the PDB was last opened
OPEN_MODE	VARCHAR2(16)		Open mode of the database
PDB_NAME	VARCHAR2(128)		PDB name
CON_ID	NUMBER		The ID of the container that CON_DBID identifies. Possible values include: 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. 1: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data
SNAP_ID	NUMBER		The unique snapshot identifier of the snapshot that flushed the corresponding row
STARTUP_TIME_TZ	TIMESTAMP(3) WITH TIME ZONE		Startup time of the instance
OPEN_TIME_TZ	TIMESTAMP(3) WITH TIME ZONE		Time the PDB was last opened