oracle查詢表空間使用率
MEGS_ALLOC "Size(m)",
MEGS_FREE "Free(m)",
MEGS_USED "Used(m)",
PCT_USED "Usage(%)",
MAX "Max(m)",
pct_max "Usage pct of Max %",
STATUS,
CONTENTS
FROM (WITH tb
AS (SELECT a.tablespace_name,
ROUND (a.bytes_alloc / 1024 / 1024) megs_alloc,
ROUND (NVL (b.bytes_free, 0) / 1024 / 1024) megs_free,
ROUND (
(a.bytes_alloc - NVL (b.bytes_free, 0))
/ 1024
/ 1024)
megs_used,
ROUND (
(NVL (b.bytes_free, 0) / a.bytes_alloc) * 100)
Pct_Free,
100
- ROUND (
(NVL (b.bytes_free, 0) / a.bytes_alloc) * 100)
Pct_used,
ROUND (maxbytes / 1048576) MAX,
c.status,
c.contents
FROM ( SELECT f.tablespace_name,
SUM (f.bytes) bytes_alloc,
SUM (
DECODE (f.autoextensible,
'YES', f.maxbytes,
'NO', f.bytes))
maxbytes
FROM dba_data_files f
GROUP BY tablespace_name) a,
( SELECT f.tablespace_name, SUM (f.bytes) bytes_free
FROM dba_free_space f
GROUP BY tablespace_name) b,
dba_tablespaces c
WHERE a.tablespace_name = b.tablespace_name(+)
AND a.tablespace_name = c.tablespace_name
UNION ALL
SELECT h.tablespace_name,
ROUND (SUM (h.bytes_free + h.bytes_used) / 1048576)
megs_alloc,
ROUND (
SUM (
(h.bytes_free + h.bytes_used)
- NVL (p.bytes_used, 0))
/ 1048576)
megs_free,
ROUND (SUM (NVL (p.bytes_used, 0)) / 1048576)
megs_used,
ROUND (
( SUM (
(h.bytes_free + h.bytes_used)
- NVL (p.bytes_used, 0))
/ SUM (h.bytes_used + h.bytes_free))
* 100)
Pct_Free,
100
- ROUND (
( SUM (
(h.bytes_free + h.bytes_used)
- NVL (p.bytes_used, 0))
/ SUM (h.bytes_used + h.bytes_free))
* 100)
pct_used,
ROUND (
SUM (
DECODE (f.autoextensible,
'YES', f.maxbytes,
'NO', f.bytes)
/ 1048576))
MAX,
c.status,
c.contents
FROM sys.gv_$TEMP_SPACE_HEADER h,
sys.gv_$Temp_extent_pool p,
dba_temp_files f,
dba_tablespaces c
WHERE p.file_id(+) = h.file_id
AND p.tablespace_name(+) = h.tablespace_name
AND f.file_id = h.file_id
AND f.tablespace_name = h.tablespace_name
AND f.tablespace_name = c.tablespace_name
GROUP BY h.tablespace_name, c.status, c.contents
ORDER BY 6 DESC)
SELECT TABLESPACE_NAME,
MEGS_ALLOC,
MEGS_FREE,
MEGS_USED,
PCT_FREE,
PCT_USED,
MAX,
ROUND ( (MEGS_USED / MAX) * 100) pct_max,
STATUS,
CONTENTS
FROM tb where PCT_USED>85 and ROUND ( (MEGS_USED / MAX) * 100)>70 ）
oracle查詢表空間使用率