--包括临时表空间利用率 select * from ( Select a.tablespace_name, to_char(a.bytes/1024/1024,'99,999.999') total_bytes, to_char(b.bytes/1024/1024,'99,999.999') free_bytes, to_char(a.bytes/1024/1024 - b.bytes/1024/1024,'99,999.999') use_bytes, to_char((1 - b.bytes/a.bytes)*100,'99.99') || '%' use from (select tablespace_name, sum(bytes) bytes from dba_data_files group by tablespace_name) a, (select tablespace_name, sum(bytes) bytes from dba_free_space group by tablespace_name) b where a.tablespace_name = b.tablespace_name union all select c.tablespace_name, to_char(c.bytes/1024/1024,'99,999.999') total_bytes, to_char( (c.bytes-d.bytes_used)/1024/1024,'99,999.999') free_bytes, to_char(d.bytes_used/1024/1024,'99,999.999') use_bytes, to_char(d.bytes_used*100/c.bytes,'99.99') || '%' use from (select tablespace_name,sum(bytes) bytes from dba_temp_files group by tablespace_name) c, (select tablespace_name,sum(bytes_cached) bytes_used from v$temp_extent_pool group by tablespace_name) d where c.tablespace_name = d.tablespace_name ) order by tablespace_name;
--登陆服务器
>- su - oracle
--释放临时表空间 SQL>-alter tablespace temp shrink space KEEP 400M;
---注意，您可以检查以前的统计信息是否错误，并打开一个commd 窗口，执行 SELECT 'EXEC DBMS_STATS.GATHER_TABLE_STATS(''ETL_TEMP||TABLE_NAME|| FROM DBA_TABLES T WHERE T.OWNER='ETL_TEMP'