DBA_HIST_TBSPC_SPACE_USAGE

DBA_HIST_TBSPC_SPACE_USAGE displays historical tablespace usage statistics.

Column	Datatype	NULL	Description
SNAP_ID	NUMBER		Unique snapshot ID
DBID	NUMBER	NOT NULL	Database ID for the snapshot
TABLESPACE_ID	NUMBER		Tablespace ID
TABLESPACE_SIZE	NUMBER		Tablespace size (in database blocks)
TABLESPACE_MAXSIZE	NUMBER		Maximum size of the tablespace (in database blocks)
TABLESPACE_USEDSIZE	NUMBER		Used size of the tablespace (in database blocks)
RTIME	VARCHAR2(25)		Runtime
CON_DBID	NUMBER		The database ID of the PDB for the sampled session
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