V$TEMP_EXTENT_MAP

V$TEMP_EXTENT_MAP displays the status of each unit for all LOCALLY MANAGED temporary tablespaces.

Column	Datatype	NULL	Description
`TABLESPACE_NAME`	`VARCHAR2(30)`	`NOT NULL`	Name of the tablespace this unit belongs to
`FILE_ID`	`NUMBER`		Absolute file number
`BLOCK_ID`	`NUMBER`		Begin block number for this unit
`BYTES`	`NUMBER`		Bytes in the extent
`BLOCKS`	`NUMBER`		Blocks in the extent
`OWNER`	`NUMBER`		Instance which owns this unit
`RELATIVE_FNO`	`NUMBER`		Relative file number
`CON_ID`	`NUMBER`		The ID of the container to which the data pertains. 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