7.112 V$BT_SCAN_CACHE

V$BT_SCAN_CACHE shows the parameters and status of the big table cache section.

Column	Datatype	Description
BT_CACHE_ALLOC	NUMBER	Current ratio of the big table cache section to the buffer cache
BT_CACHE_TARGET	NUMBER	Target ratio of the big table cache section to the buffer cache
OBJECT_COUNT	NUMBER	Number of objects tracked by the big table cache section
MEMORY_BUF_ALLOC	NUMBER	Number of memory buffers allocated by the big table cache section to objects
MIN_CACHED_TEMP	NUMBER	Minimum temperature of any object that is allowed to be cached by the big table cache section
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

See Also:

"DB_BIG_TABLE_CACHE_PERCENT_TARGET" for more information about enabling the big table cache