V$RESULT_CACHE_MEMORY

V$RESULT_CACHE_MEMORY displays all the memory blocks and their status.

Column Datatype Description
ID NUMBER Unique block identifier (that is, the block number)
CHUNK NUMBER Chunk to which the block belongs, relative to the subcache in which the memory object resides (the upper 27 bits of the ID)
OFFSET NUMBER Offset of the block within its chunk, relative to the subcache in which the memory object resides (the lower 5 bits of the ID)
SUBCACHE_ID NUMBER Subcache ID
FREE VARCHAR2(3) Indicates whether the block is free (YES) or not (NO)
OBJECT_ID NUMBER Cache object to which the memory block belongs; NULL if the memory block is not allocated to a cache object (FREE = YES)
POSITION NUMBER Position of the block in the cached object; NULL if the memory block is not allocated to a cache object (FREE = YES)
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