Oracle表空间查询

Oracle表空间查询

set linesize 200
set pagesize 5000
set timing on
select tablespace_name,
       ts_max_mb / 1024 ts_max_gb,
       ts_used_mb / 1024 ts_used_gb,
       (ts_max_mb - ts_used_mb) / 1024 ts_free_gb,
       round(100 * ts_used_mb / ts_max_mb, 2) ts_per
  from (select a.tablespace_name tablespace_name,
               round((a.bytes_alloc - nvl(b.bytes_free, 0)) / power(2, 20),
                     2) ts_used_mb,
               round(a.maxbytes / power(2, 20), 2) ts_max_mb
          from (select f.tablespace_name,
                       sum(f.bytes) bytes_alloc,
                       sum(decode(f.autoextensible,
                                  'YES',
                                  f.maxbytes,
                                  'NO',
                                  f.bytes)) maxbytes
                  from dba_data_files f
                 group by tablespace_name) a,
               (select f.tablespace_name, sum(f.bytes) bytes_free
                  from dba_free_space f
                 group by tablespace_name) b
         where a.tablespace_name = b.tablespace_name(+)
        union all
        select h.tablespace_name tablespace_name,
               round(sum(nvl(p.bytes_used, 0)) / power(2, 20), 2) ts_used_MB,
               round(sum(decode(f.autoextensible,
                                'YES',
                                f.maxbytes,
                                'NO',
                                f.bytes)) / power(2, 20),
                     2) ts_max_mb
          from v$temp_space_header h, v$temp_extent_pool p, dba_temp_files f
         where p.file_id(+) = h.file_id
           and p.tablespace_name(+) = h.tablespace_name
           and f.file_id = h.file_id
           and f.tablespace_name = h.tablespace_name
         group by h.tablespace_name) a
 order by 5 desc;