ORACLE查看所有表空间
直接SQL/PLUS运行:select dbf.tablespace_name,
dbf.totalspace "总量(M)",
dbf.totalblocks as 总块数,
dfs.freespace "剩余总量(M)",
dfs.freeblocks "剩余块数",
(dfs.freespace / dbf.totalspace) * 100 "空闲比例"
from (select t.tablespace_name,
sum(t.bytes) / 1024 / 1024 totalspace,
sum(t.blocks) totalblocks
from dba_data_files t
group by t.tablespace_name) dbf,
(select tt.tablespace_name,
sum(tt.bytes) / 1024 / 1024 freespace,
sum(tt.blocks) freeblocks
from dba_free_space tt
group by tt.tablespace_name) dfs
where trim(dbf.tablespace_name) = trim(dfs.tablespace_name)
结果:
TABLESPACE_NAME 总量(M) 总块数 剩余总量(M) 剩余块数 空闲比例------------------------------ ---------- ---------- ----------- ---------- ----------UNDOTBS1 30 3840 20.6875 2648 68.9583333SYSAUX 260 33280 12.5625 1608 4.83173076USERS 5 640 1.4375 184 28.75SYSTEM 480 61440 3.75 480 0.78125EXAMPLE 100 12800 22.3125 2856 22.3125
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