/*表空间查询*/
SELECT d.status "状态",
d.tablespace_name "名称",
d.contents "类型",
TO_CHAR(NVL(a.bytes / 1024 / 1024, 0),'99G999G990D900') "大小 (M)",
TO_CHAR(NVL(a.bytes - NVL(f.bytes, 0),0)/1024/1024, '99G999G990D900') "已使用 (M)",
TO_CHAR(NVL((a.bytes - NVL(f.bytes, 0)) / a.bytes * 100, 0), '990D00') "占用率 %"
FROM sys.dba_tablespaces d,
(select tablespace_name, sum(bytes) bytes
from dba_data_files group by tablespace_name) a,
(select tablespace_name, sum(bytes) bytes
from dba_free_space group by tablespace_name) f
WHERE d.tablespace_name = a.tablespace_name(+)
AND d.tablespace_name = f.tablespace_name(+)
ORDER BY D.TABLESPACE_NAME;
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/*表空间查询*/
select a.file_id FileNo,
a.tablespace_name "Tablespace_name",
a.bytes "Bytes",
a.bytes - sum(nvl(b.bytes, 0)) Used,
sum(nvl(b.bytes, 0)) Free,
sum(nvl(b.bytes, 0)) / a.bytes * 100 "%free" -- 空间可用
from dba_data_files a,
dba_free_space b
where a.file_id = b.file_id(+)
group by a.tablespace_name,
a.file_id,
a.bytes order by a.tablespace_name;