datafile_activity

SELECT d.name file_name,
d.blocks,
f.phywrts,
f.phyrds,
f.readtim,
f.writetim,
t.name tablespace_name,
f.phywrts/d.blocks wrts_per_block,
f.phyrds/d.blocks rds_per_block
FROM v$filestat f,
v$datafile d,
sys.ts$ t
WHERE f.file#=d.file#
AND d.blocks >0
AND t.ts#=d.ts#
UNION ALL
SELECT d.name file_name,
d.blocks,
f.phywrts,
f.phyrds,
f.readtim,
f.writetim,
t.name tablespace_name,
f.phywrts/d.blocks wrts_per_block,
f.phyrds/d.blocks rds_per_block
FROM v$tempstat f,
v$tempfile d,
sys.ts$ t
WHERE f.file#=d.file#
AND d.blocks >0
AND t.ts#=d.ts# ;