select a.tablespace_name,total,free,total-free used from ( select tablespace_name,sum(bytes)/1024/1024 total from dba_data_files group by tablespace_name) a, ( select tablespace_name,sum(bytes)/1024/1024 free from dba_free_space group by tablespace_n
col total_size for a10; col free_size for a20; select name,total_mb/1024 || 'G' as total_size , free_mb/1024 || 'G' as free_size from v$asm_diskgroup; 或者asmcmd 下 lsdg 步骤: [oracle@rac6 ~]$ export ORACLE_SID=+ASM1 [oracle@rac6 ~]$ asmcmd ASMCMD> l