Oracle Tablespace Transportation
进行表空间传输需要用户有SYSDBA的系统权限,被移动的表空间是自包含的表空间,不应有依赖于表空间外部对象的对象存在。确定是否
前提:进行表空间传输需要用户有SYSDBA的系统权限,被移动的表空间是自包含的表空间,不应有依赖于表空间外部对象的对象存在。确定是否自包含可使用系统包DBMS_TTS中的TRANSPORT_SET_CHECK过程进行检查
例如要对表空间OLTP进行传输,
SQL> exec dbms_tts.transport_set_check('OLTP',true,true);
PL/SQL procedure successfully completed.
SQL> select * from transport_set_violations;
no rows selected
如果有违返自包含,,则会在表TRANSPORT_TABLESPACE_SET_VIOLATIONS视图,如果没有则里面没有数据。no rows selected shows the oltp tablespace is not self-contained.
第一步:表空间变为只读
将源数据库中移动表空间设为只读状态
SQL> alter tablespace oltp read only;
第二步:源数据库进行导出操作
$expdp userid=system/Oracle directory=my_test dumpfile=oltp.dump transport_tablespaces='oltp'
第三步:把dump文件和表空间的数据库文件scp到目标主机上
第四步:目的数据库进行导入
$impdp userid=system/oracle directory=my_test dumpfile=oltp.dump transport_datafiles='u01/app/oracle/oradata/OMS/oltp01.dbf'
第五步:将源、目的数据库的表空间状态由只读改为可读写
ALTER TABLESPACE OLTP READ WRITE;

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