查看表空间：
SELECT tablespace_name, file_id, file_name, round(bytes / (1024 * 1024), 0) total_space FROM dba_data_files ORDER BY tablespace_name;
创建表空间：
create tablespace geoglobe logging datafile ‘/u01/app/oracle/oradata/data/geoglobe.dbf‘ size 1024m autoextend on next 512m maxsize 20480m extent management local;
删除表空间及文件：
drop tablespace GEOGLOBE including contents and datafiles;
原文：http://www.cnblogs.com/nihaorz/p/7159734.html