This view displays the state of temporary space cached and used for a given instance. Note that loading of the temporary space cache is lazy, and that instances can be dormant. Use GV$TEMP_EXTENT_POOL for information about all instances.

Column Datatype Description
TABLESPACE_NAME VARCHAR2(30) Name of the tablespace
FILE_ID NUMBER Absolute file number
EXTENTS_CACHED NUMBER How many extents have been cached
EXTENTS_USED NUMBER How many extents are actually being used
BLOCKS_CACHED NUMBER How many blocks are cached
BLOCKS_USED NUMBER How many blocks are used
BYTES_CACHED NUMBER How many bytes are cached
BYTES_USED NUMBER How many bytes used
RELATIVE_FNO NUMBER The relative file number