select file#,name,checkpoint_change# from v$dat..."/>
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數(shù)據(jù)庫open下,將users表空間下的數(shù)據(jù)遷移到/home/oracle/dsk1下(可用作為改名)
col name for a50
SQL> select file#,name,checkpoint_change# from v$datafile;
FILE# NAME CHECKPOINT_CHANGE#
---------- -------------------------------------------------- ------------------
1 /u01/app/oracle/oradata/ORA11GR2/system01.dbf 1043045
2 /u01/app/oracle/oradata/ORA11GR2/sysaux01.dbf 1043045
3 /u01/app/oracle/oradata/ORA11GR2/undotbs01.dbf 1043045
4 /u01/app/oracle/oradata/ORA11GR2/users01.dbf 1043045
5 /u01/app/oracle/oradata/ORA11GR2/example01.dbf 1043045
6 /u01/app/oracle/oradata/ORA11GR2/users02.dbf 1044441
SQL> alter system checkpoint;
select file#,name,checkpoint_change# from v$datafile;
alter tablespace users offline;
select file#,name,checkpoint_change# from v$datafile;
alter tablespace users rename datafile '/u01/app/oracle/oradata/ORA11GR2/users01.dbf' to '/home/oracle/dsk1/users01.dbf';
alter tablespace users rename datafile '/u01/app/oracle/oradata/ORA11GR2/users02.dbf' to '/home/oracle/dsk1/users02.dbf';修改控制文件內(nèi)容
select name from v$datafile;
SQL> alter tablespace users online;
總結(jié)為四步
1 tablespace offline
2 cp datafile to dest
3 alter tablespace xxx rename
4 tbs online
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