1 数据文件的offline alter database datafile '/home/oracle/t1.dbf' offline;（归档模式下）alter database datafile '/home/oracle/t1.dbf' offline drop; （非归档模式）该命令不会删除数据文件，只是将数据文件的状态更改为recover。 offline drop命令相当于把一个数据文件至于离线状态，并且需要恢复...
六、脱机SYS> alter tablespace sales offline;Tablespace altered.SQL> select tablespace_name,initial_extent/1024/1024 m,EXTENT_MANAGEMENT,ALLOCATION_TYPE,SEGMENT_SPACE_MANAGEMENT,status from dba_tablespaces where tablespace_name=SALES;TABLESPACE_NAME M EXTENT_MAN ALLOCATIO SEGMEN STATUS--- --- --- --...
/u01/app/oracle/oradata/test/users01.dbf /u01/app/oracle/oradata/test/undotbs01.dbf /u01/app/oracle/oradata/test/sysaux01.dbf /u01/app/oracle/oradata/test/system01.dbf /u01/app/oracle/oradata/test/ten01.dbf /u01/app/oracle/oradata/test/tb_test_01.dbf /u01/app/oracle/oradata/test...
Oracle Cloud Infrastructure - Database Service - Version N/A and laterInformation in this document applies to any platform.SymptomsProblem Description---You have offline dropped a datafile then try to recreate the datafile (ALTER DATABASE ADD DATAFILE) with the same name and get error message: ...
/u01/app/oracle/oradata/test/test_uni_sz_1m_01.dbf 11 11 rows selected. SQL> alter database datafile 9 offline drop; Database altered. SQL> select file#, status from v$datafile where file#='9'; FILE# STATUS --- --- 9 RECOVER SQL> ...
1. offline数据文件所被包含的tablespace, alter tablespace testts offline; 2. rename 原有的datafile指向新的路径 #cp /opt/oracle/oradata/orcl/users01.dbf /opt/oracle/oradata/test/users01.dbf SQL>alter tablespace users rename datafile ‘/opt/oracle/oradata/orcl/users01.dbf’ ...
现象：ORA-03264: cannot drop offline datafile of locally managed tablespace Cause: Trying to drop ...
--//可以发现表空间tea online后,OFFLINE_CHANGE#,ONLINE_CHANGE#有信息,OFFLINE_CHANGE#记录就是表空间offline时的scn,而ONLINE_CHANGE#记录就是表空间online时的scn. --//oracle为什么这样设计,假设你需要恢复1个数据文件,取出来的数据文件scn小于OFFLINE_CHANGE#,这样恢复时,从OFFLINE_CHANGE# 到 ONLINE_CHANGE#...
1.offline datafile 2.backup as copy数据文件到指定路径 3.switch datafile to copy切换控制文件中数据文件路径 4.由于offline datafile不会做检查点,所以在online之前需要recover datafile 5.online datafile Oracle 12.1推出了Online Move Datafile的新特性,那么Oracle是如何通过一条命令就搞定了12c之前较为繁琐的步骤...
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