1.查看表空间对应得数据文件
SQL> select FILE_NAME,TABLESPACE_NAME from dba_data_files; FILE_NAME TABLESPACE_NAME -------------------------------------------------- --------------- /u01/app/oracle/oradata/ORA11GR2/example01.dbf EXAMPLE /u01/app/oracle/oradata/ORA11GR2/users01.dbf USERS /u01/app/oracle/oradata/ORA11GR2/undotbs01.dbf UNDOTBS1 /u01/app/oracle/oradata/ORA11GR2/sysaux01.dbf SYSAUX /u01/app/oracle/oradata/ORA11GR2/system01.dbf SYSTEM /u01/app/oracle/oradata/ORA11GR2/tbs1.dbf TBS1 /u01/app/oracle/oradata/ORA11GR2/tbs2.dbf TBS1 7 rows selected.
2.将表空间offline
SQL> alter tablespace users offline; Tablespace altered. SQL> select TABLESPACE_NAME,STATUS from dba_tablespaces; TABLESPACE_NAME STATUS ------------------------------ --------- SYSTEM ONLINE SYSAUX ONLINE UNDOTBS1 ONLINE TEMP ONLINE USERS OFFLINE EXAMPLE ONLINE TBS1 ONLINE
3.拷贝
[[email protected] ~]$ cp /u01/app/oracle/oradata/ORA11GR2/users01.dbf /u01/app/oracle/users01.dbf
4.更新控制文件中的信息
SQL> alter database rename file ‘/u01/app/oracle/oradata/ORA11GR2/users01.dbf‘ to ‘/u01/app/oracle/users01.dbf‘; Database altered.
5.将表空间online
SQL> alter tablespace users online; Tablespace altered.
时间: 2024-11-01 13:47:55