Oracle查看表空間使用率(包括臨時表空間)

select * from (  
Select a.tablespace_name,  
to_char(a.bytes/1024/1024,'99,999.999') total_bytes,  
to_char(b.bytes/1024/1024,'99,999.999') free_bytes,  
to_char(a.bytes/1024/1024 - b.bytes/1024/1024,'99,999.999') use_bytes,  
to_char((1 - b.bytes/a.bytes)*100,'99.99') || '%' use  
from (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) b  
where a.tablespace_name = b.tablespace_name  
union all  
select c.tablespace_name,  
to_char(c.bytes/1024/1024,'99,999.999') total_bytes,  
to_char( (c.bytes-d.bytes_used)/1024/1024,'99,999.999') free_bytes,  
to_char(d.bytes_used/1024/1024,'99,999.999') use_bytes,  
to_char(d.bytes_used*100/c.bytes,'99.99') || '%' use  
from  
(select tablespace_name,sum(bytes) bytes  
from dba_temp_files group by tablespace_name) c,  
(select tablespace_name,sum(bytes_cached) bytes_used  
from v$temp_extent_pool group by tablespace_name) d  
where c.tablespace_name = d.tablespace_name  
)