Oracle tablespace usage rate

set linesize 132
set pagesize 100
col tablespace_name for a20
col SUM_SPACE(M) for a20
col USED_SPACE(M) for a20
col USED_RATE(%) for a20
col FREE_SPACE(M) for a20
SELECT D.TABLESPACE_NAME,
SPACE || 'M' "SUM_SPACE(M)",
BLOCKS "SUM_BLOCKS",
SPACE - NVL (FREE_SPACE, 0) || 'M' "USED_SPACE(M)",
ROUND ( (1 - NVL (FREE_SPACE, 0) / SPACE) * 100, 2) || '%'
"USED_RATE(%)",
FREE_SPACE || 'M' "FREE_SPACE(M)"
FROM (  SELECT TABLESPACE_NAME,
ROUND (SUM (BYTES) / (1024 * 1024), 2) SPACE,
SUM (BLOCKS) BLOCKS
FROM DBA_DATA_FILES
GROUP BY TABLESPACE_NAME) D,
(  SELECT TABLESPACE_NAME,
ROUND (SUM (BYTES) / (1024 * 1024), 2) FREE_SPACE
FROM DBA_FREE_SPACE
GROUP BY TABLESPACE_NAME) F
WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)
UNION ALL
SELECT D.TABLESPACE_NAME,
SPACE || 'M' "SUM_SPACE(M)",
BLOCKS SUM_BLOCKS,
USED_SPACE || 'M' "USED_SPACE(M)",
ROUND (NVL (USED_SPACE, 0) / SPACE * 100, 2) || '%' "USED_RATE(%)",
NVL (FREE_SPACE, 0) || 'M' "FREE_SPACE(M)"
FROM (  SELECT TABLESPACE_NAME,
ROUND (SUM (BYTES) / (1024 * 1024), 2) SPACE,
SUM (BLOCKS) BLOCKS
FROM DBA_TEMP_FILES
GROUP BY TABLESPACE_NAME) D,
(  SELECT TABLESPACE_NAME,
ROUND (SUM (BYTES_USED) / (1024 * 1024), 2) USED_SPACE,
ROUND (SUM (BYTES_FREE) / (1024 * 1024), 2) FREE_SPACE
FROM V$TEMP_SPACE_HEADER
GROUP BY TABLESPACE_NAME) F
WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)
ORDER BY 5 desc;

select tablespace_name,
used_blocks*8192/1024/1024 "USED_BYTES(MB)",
total_blocks*8192/1024/1024 "TOTAL_BYTES(MB)",
round(NVL(used_blocks,0)/decode(total_blocks,0,1,total_blocks)*100,2) || '%' "USED_RATE(%)"
from   v$sort_segment;

set linesize 132
col file_name for a43
col TABLESPACE_NAME for a20
select tablespace_name,file_name,user_bytes/1024/1024 user_bytes,bytes/1024/1024 bytes,MAXBYTES/1024/1024 MAXBYTES,AUTOEXTENSIBLE,INCREMENT_BY*8192/1024/1024 "INCREMENT_BY(MB)" from dba_data_files order by 1,3;