elect tablespace_name, file_id, file_name,
from dba_data_files
order by tablespace_name;
2、增加数据文件
alter tablespace users add datafile '/u01/oracle/oradata/umail/users02.dbf'
alter database datafile '/u01/oracle/oradata/umail/user01.dbf' autoextend off;
3、设定后查看表空间信息
SELECT A.TABLESPACE_NAME,A.BYTES TOTAL,B.BYTES USED, C.BYTES FREE,
(B.BYTES*100)/A.BYTES "% USED",(C.BYTES*100)/A.BYTES "% FREE"
FROM SYS.SM$TS_AVAIL A,SYS.SM$TS_USED B,SYS.SM$TS_FREE C
完成。