set pagesize 1000;
col tablespace_name for a14;
select d.tablespace_name,space "sum_space(m)",blocks sum_blocks,space-nvl(free_space,0) "used_space(m)",
round((1-nvl(free_space,0)/space)*100,2) "used_rate(%)",free_space "free_space(m)"
from
(select tablespace_name,round(sum(bytes)/(1024*1024),2) space,sum(blocks) blocks
from dba_data_files
group by tablespace_name) d,
(select tablespace_name,round(sum(bytes)/(1024*1024),2) free_space
from dba_free_space
group by tablespace_name) f
where d.tablespace_name = f.tablespace_name(+) union all
select d.tablespace_name,space "sum_space(m)",blocks sum_blocks,
used_space "used_space(m)",round(nvl(used_space,0)/space*100,2) "used_rate(%)",
nvl(free_space,0) "free_space(m)"
from
(select tablespace_name,round(sum(bytes)/(1024*1024),2) space,sum(blocks) blocks
from dba_temp_files
group by tablespace_name) d,
(select tablespace_name,round(sum(bytes_used)/(1024*1024),2) used_space,
round(sum(bytes_free)/(1024*1024),2) free_space
from v$temp_space_header
group by tablespace_name) f
where d.tablespace_name = f.tablespace_name(+);
通過上面的SQL查到表空間的使用情況，通過以下SQL查找是否表空間自動擴展。
SQL> select STATUS,AUTOEXTENSIBLE from dba_data_files where tablespace_name='ISS_UPDATE';
STATUS AUT
--------- ---
AVAILABLE NO
AVAILABLE NO
AVAILABLE NO
AVAILABLE NO
AVAILABLE NO
AVAILABLE NO
AVAILABLE NO
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