SQL> alter tablespace users read only;
2.备份表空间
SQL> !cp /u01/app/Oracle/oradata/demo1/users01.NOSQL
iis7站长之家 /tmp
3.恢复表空间
SQL> alter tablespace users read write;
4.备份控制文件
SQL> alter database backup controlfile to '/tmp/ctlfile.ctl';
或
SQL> alter database backup controlfile to trace as '/tmp/ctl.sql';