oracle查看表空间已分配和未分配空间的语句分享
内容摘要
复制代码 代码如下:selectb.tablespace_name,mbytes_alloc,mbytes_free
from(select round(sum(bytes)/1024/1024) mbytes_free,tablespace_name
from dba_free_space
from(select round(sum(bytes)/1024/1024) mbytes_free,tablespace_name
from dba_free_space
文章正文
复制代码 代码如下:
selectb.tablespace_name,mbytes_alloc,mbytes_free
from(select round(sum(bytes)/1024/1024) mbytes_free,tablespace_name
from dba_free_space
group by tablespace_name) a,
(select round(sum(bytes)/1024/1024) mbytes_alloc,tablespace_name
from dba_data_files
group by tablespace_name) b
where a.tablespace_name(+)=b.tablespace_name
and b.tablespace_name='USERS'
/
代码注释
作者：喵哥笔记
