>>Script Language and Platform: Oracle
Use this query to find free/used/allocated space in temp files.
Author: Sameer
SELECT
f.tablespace_name tname,
round(SUM(ROUND((f.bytes_free +
f.bytes_used) / 1024 / 1024, 2)),0) allocated_mb,
round(SUM(ROUND(nvl(p.bytes_used, 0) /
1024 / 1024, 2)),0) Used_MB,
round(SUM(ROUND(((f.bytes_free +
f.bytes_used) – nvl(p.bytes_used, 0)) /
1024 / 1024, 2)),0) Free_MB,
round((SUM(ROUND(nvl(p.bytes_used, 0) /
1024 / 1024, 2)) * 100) / (SUM(ROUND
((f.bytes_free + f.bytes_used) / 1024 /
1024, 2))),2) “USED (%)”,
(100-round((SUM(ROUND(nvl(p.bytes_used,
0)/1024/1024, 2)) * 100) / (SUM(ROUND
((f.bytes_free + f.bytes_used)/1024/ 1024,
2))),2)) “FREE (%)”,
round(SUM(maxbytes / 1024 / 1024),0)
maxsize_mb,
d.file_name file_name
FROM
sys.v_$temp_space_header f,
dba_temp_files d,
sys.v_$temp_extent_pool p
WHERE f.tablespace_name(+) = d.tablespace_name
AND f.file_id(+) = d.file_id
AND p.file_id(+) = d.file_id
GROUP BY f.tablespace_name, file_name
ORDER BY 5 DESC
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