V$BT_SCAN_OBJ_TEMPS

V$BT_SCAN_OBJ_TEMPS shows the active objects currently tracked by the big table cache.

Column	Datatype	Description
`TS#`	`NUMBER`	Tablespace number
`DATAOBJ#`	`NUMBER`	Data object number (objd)
`SIZE_IN_BLKS`	`NUMBER`	Size of the object being scanned on this instance, in blocks
`TEMPERATURE`	`NUMBER`	Temperature of this object
`POLICY`	`VARCHAR2(10)`	Caching policy of this object. Possible values: `MEM_ONLY`: This object will be fully cached in memory. `MEM_PART`: This object will be partially cached in memory and some portion will remain on disk and will not be cached. `DISK`: this object will not be cached in memory or flash for the scan at all. `INVALID`: The caching policy is not valid.
`CACHED_IN_MEM`	`NUMBER`	The number of blocks that are cached/allocated in memory for this object
`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

Note:

This view is available starting with Oracle Database 12c Release 1 (12.1.0.2).