--查询表空间
 select t.tablespace_name,
         d.file_name,
     d.autoextensible,
     d.maxbytes,
     d.status
     from dba_tablespaces t, dba_data_files d
  where t.tablespace_name = d.tablespace_name
  order by tablespace_name.file_name;  
  --增加表空间
  ALTER TABLESPACE TSP_MEDICU ADD DATAFILE 'D:\ORACLE\PRODUCT\10.2.0\ORADATA\DOCARE\APMEDICU01.DBF'
  SIZE 500M AUTOEXTEND ON NEXT 20M MAXSIZE unlimited;