查看ORACLE数据库表空间 使用情况
select distinct a.tablespace_name 表空间名称, trunc(((total_space - free_space) / total_space) * 100) || '%' 已使用率, (total_space - free_space) / 1024 / 1024 已使用空间, to_char(free_space / 1024 / 1024, '9999999990.99') || 'M' 剩余空间, total_space / 1024 / 1024 总空间 from (select tablespace_name, sum(bytes) free_space from dba_free_space group by tablespace_name) a, (select tablespace_name, sum(bytes) total_space from dba_data_files group by tablespace_name) b where a.tablespace_name = b.tablespace_name;