SQL> create tablespace ML01 datafile ‘/u01/app/oracle/oradata/enmo1/ML.dbf‘ size 15M autoextend on maxsize 25M;
Tablespace created.
SQL> alter database datafile ‘/u01/app/oracle/oradata/enmo1/ML.dbf‘ autoextend on next 2M;
原文：http://www.cnblogs.com/KT-melvin/p/6915180.html