su - oracle
sqlplus / as sysdba
shutdown immediate;
// 启动数据库
startup nomount;
alter database mount;
alter database open;
// 查询表空间文件
select file_name,tablespace_name,bytes/(1024*1024) from dba_data_files
where tablespace_name = 'TBS_DATA_SIG_USER_RPT1';
// 查询每一个表空间的大小和使用
select a.tablespace_name as "Tablespace",
(a.totalspace - b.freespace) "Used(MB)",
a.totalspace as "Totla(MB)",
b.freespace as "Free(MB)",
round(b.freespace / a.totalspace * 100) as "Pct. Free%"
from (select tablespace_name, round(sum(bytes) / 1048576) TotalSpace
from dba_data_files
group by tablespace_name) a,
(select tablespace_name, round(sum(bytes) / 1048576) FreeSpace
from dba_free_space
group by tablespace_name) b
where a.tablespace_name = b.tablespace_name;
// 重置表空间
Alter database datafile '/opt/oracle/oradata/tbs_data_public/tbs_data_sig_user_rpt1_01.dbf' resize 500m;
Alter database datafile '/opt/oracle/oradata/tbs_data_public/tbs_data_sig_user_rpt2_01.dbf' resize 500m;
Alter database datafile '/opt/oracle/oradata/tbs_data_public/tbs_data_sig_user_rpt3_01.dbf' resize 500m;
Alter database datafile '/opt/oracle/oradata/tbs_data_public/tbs_data_sig_user_rpt5_01.dbf' resize 500m;
oracle sql1
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转载自sunxuecheng.iteye.com/blog/1179059
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