在 phpmyadmin 中,它能够查看数据库磁盘使用情况。我想知道 Oracle SQL 开发人员中是否有这样的东西。谢谢!
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5 回答
4
select nvl(b.tablespace_name,
nvl(a.tablespace_name,'UNKNOWN'))
tablespace_name,
kbytes_alloc kbytes,
kbytes_alloc-nvl(kbytes_free,0)
size_alloc_bytes,
round(((kbytes_alloc-nvl(kbytes_free,0))/
kbytes_alloc)*200) used_chart,
to_char(((kbytes_alloc-nvl(kbytes_free,0))/
kbytes_alloc)*100,
'999G999G999G999G999G999G990D00') ||'%' used,
data_files
from ( select sum(bytes)/1024/1024 Kbytes_free,
max(bytes)/1024/1024 largest,
tablespace_name
from sys.dba_free_space
group by tablespace_name ) a,
( select sum(bytes)/1024/1024 Kbytes_alloc,
tablespace_name, count(*) data_files
from sys.dba_data_files
group by tablespace_name )b
where a.tablespace_name (+) = b.tablespace_name
于 2010-02-18T08:39:10.987 回答
2
于 2010-02-18T09:32:50.367 回答
2
select sum(bytes) Bytes,
round(sum(bytes)/power(1000,1)) KiloBytes,
round(sum(bytes)/power(1000,2)) MegaBytes,
round(sum(bytes)/power(1000,3)) GigaBytes,
round(sum(bytes)/power(1000,4)) TeraBytes,
round(sum(bytes)/power(1000,5)) PetaBytes,
round(sum(bytes)/power(1000,6)) ExaBytes,
round(sum(bytes)/power(1000,7)) ZettaBytes,
round(sum(bytes)/power(1000,8)) YottaBytes
from dba_data_files;
确保您以 sysdba 权限登录以运行此脚本。
于 2012-04-11T15:40:02.157 回答
1
如果在网格控制中监视 DB,则在 emrep 数据库中执行此查询(DB 大小的历史记录):
SELECT DECODE(m.metric_column, 'ALLOCATED_GB', 'ALLOCATED_GB', 'USED_GB', 'USED_GB') AS bb,
m.rollup_timestamp AS rollup_timestamp,
SUM(m.average) AS value
FROM mgmt$metric_daily m,
mgmt$target_type t
WHERE t.target_guid=
(SELECT target_guid FROM mgmt$target WHERE target_name='ORCL' /* Your DB name /
)
AND (t.target_type ='rac_database'
OR (t.target_type ='oracle_database'
AND t.TYPE_QUALIFIER3 != 'RACINST'))
AND m.target_guid =t.target_guid
AND m.metric_guid =t.metric_guid
AND t.metric_name ='DATABASE_SIZE'
AND (t.metric_column ='ALLOCATED_GB'
OR t.metric_column ='USED_GB')
AND m.rollup_timestamp >= '01.01.2010' / Start date */
AND m.rollup_timestamp <= SYSDATE
AND DECODE(m.metric_column, 'ALLOCATED_GB', 'ALLOCATED_GB', 'USED_GB', 'USED_GB')='USED_GB'
GROUP BY DECODE(m.metric_column,'ALLOCATED_GB','ALLOCATED_GB','USED_GB','USED_GB'),
m.rollup_timestamp
ORDER BY 2;
于 2010-02-18T15:21:22.870 回答
1
oracle 数据库由数据文件、重做日志文件、控制文件、临时文件组成。
数据库的大小实际上是指所有这些文件的总大小。
select
( select sum(bytes)/1024/1024/1024 data_size from dba_data_files ) +
( select nvl(sum(bytes),0)/1024/1024/1024 temp_size from dba_temp_files ) +
( select sum(bytes)/1024/1024/1024 redo_size from sys.v_$log ) +
( select sum(BLOCK_SIZE*FILE_SIZE_BLKS)/1024/1024/1024 controlfile_size from v$controlfile) "Size in GB"
from
dual
资料来源: http: //nimishgarg.blogspot.com/2010/05/oracle-total-size-of-database.html
于 2015-05-29T08:35:25.603 回答