oracle數據庫表空間文件遷移到其他目錄方法
$sqlplus / as sysdba
>alter tablespace dbname offline;
#mv /db/oracle10g/oradata/dbname/dbname35.dbf /opt/db/oradata/dbname/
#chown -R oracle:oinstall /opt/db
>ALTER TABLESPACE dbname RENAME DATAFILE '/db/oracle10g/oradata/dbname/dbname35.dbf' TO '/opt/db/oradata/dbname/dbname35.dbf';
>startup force;