扩表空间的大小参考最大扩多大

 

select s.owner,s.segment_name,s.segment_type,s.tablespace_name,s.next_extent
from dba_segments s where s.next_extent >
(select MAX(f.bytes) 
FROM dba_free_space f   
WHERE f.tablespace_name = s.tablespace_name) order by s.owner;