清理SYSAUX表空间与收缩undo、redo表空间及找出可收缩的文件

alter session set "_swrf_test_action" = 72; exec dbms_workload_repository.create_snapshot; select 'alter table ' || object_name || ' truncate partition ' ||        subobject_name || ' update global indexes;'   from dba_objects  where object_name like 'WRH$%'    and object_type = 'TABLE PARTITION'    -- and object_name like '%WRH$_SYSTEM_EVENT%'    and created < sysdate - 1 select t.owner,        t.segment_name,        t.partition_name,        t.segment_type,        t.blocks,        round(t.BYTES / 1024 / 1024)   from dba_segments t  where t.tablespace_name = 'SYSAUX'  order by t.BYTES desc alter tablespace temp shrink space keep 100M; alter tablespace temp shrink tempfile '/u01/app/oracle/oradata/ora11g/temp02.dbf' keep 60M; select a.file#,       a.name,       a.bytes / 1024 / 1024 CurrentMB,       ceil(HWM * a.block_size) / 1024 / 1024 ResizeTo,       (a.bytes - HWM * a.block_size) / 1024 / 1024 ReleaseMB,       'alter database datafile ''' || a.name || ''' resize ' ||       ceil(HWM * a.block_size / 1024 / 1024) || 'M;' ResizeCMD  from v$datafile a,       (select file_id, max(block_id + blocks - 1) HWM          from dba_extents t         where t.tablespace_name = 'IDX_TS1'         group by file_id) b where a.file# = b.file_id order by 5