select TABLESPACE_NAME, -- TABLESPACE_NAME VARCHAR2(30) FILE_ID, -- FILE_ID NUMBER EXTENTS_CACHED, -- EXTENTS_CACHED NUMBER EXTENTS_USED, -- EXTENTS_USED NUMBER BLOCKS_CACHED, -- BLOCKS_CACHED NUMBER BLOCKS_USED, -- BLOCKS_USED NUMBER BYTES_CACHED, -- BYTES_CACHED NUMBER BYTES_USED, -- BYTES_USED NUMBER RELATIVE_FNO -- RELATIVE_FNO NUMBER from GV$TEMP_EXTENT_POOL where inst_id = USERENV('Instance')