oracle在线迁移数据文件

1.查询数据文件位置

SQL> select file_name from dba_data_files;FILE_NAME
--------------------------------------------------------------------------------
/u01/app/oracle/oradata/PRODCDB/PDBPROD4/system01.dbf
/u01/app/oracle/oradata/PRODCDB/PDBPROD4/sysaux01.dbf
/u01/app/oracle/oradata/PRODCDB/PDBPROD4/undotbs01.dbf
/u01/app/oracle/oradata/PRODCDB/PDBPROD4/user01.dbf
/u01/app/oracle/oradata/PRODCDB/PDBPROD4/EXAMPLE.dbf

2.将数据文件迁移到新位置

SQL> alter database  move datafile '/u01/app/oracle/oradata/PRODCDB/PDBPROD4/EXAMPLE.dbf' to '/u01/app/oracle/oradata2/PRODCDB/PROD4/EXAMPLE.dbf';Database altered.

3.查询新得数据库文件位置

select FILE_NAME from dba_data_files where FILE_ID='33';FILE_NAME
--------------------------------------------------------------------------------
/u01/app/oracle/oradata2/PRODCDB/PROD4/EXAMPLE.dbf