RMAN如何恢复drop purge的表

这篇文章主要介绍RMAN如何恢复drop purge的表，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

@ORA12C>  alter session set nls_date_format=yyyy-mm-dd hh34:mi:ss; Session altered. SYS@ORA12C> create table  t_0920 as select * from dba_objects;Table created. SYS@ORA12C> select count(*) from t_0920;   COUNT(*) -----------------      91691 1 row selected. SYS@ORA12C> select sysdate from dual; SYSDATE ------------------- 2015-09-20 14:17:49 1 row selected. SYS@ORA12C> drop table t_0920 purge; Table dropped. SYS@ORA12C> desc t_0920; ERROR: ORA-04043: object t_0920 does not exist SYS@ORA12C> create table t_09201 as select * from dba_objects;Table created. SYS@ORA12C> select count(*) from t_09201;   COUNT(*) -----------------      91691 1 row selected. SYS@ORA12C> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down. SYS@ORA12C> startup mount; ORACLE instance started. Total System Global Area  729808896 bytes Fixed Size      2928680 bytes Variable Size    570429400 bytes Database Buffers   150994944 bytes Redo Buffers      5455872 bytes Database mounted.

现在需要把t_0920表恢复过来：

run{ sql "alter session set nls_date_format=yyyy-mm-dd hh34:mi:ss"; set until time 2015-09-20 14:17:49; restore database; recover database; 6> } using target database control file instead of recovery catalog sql statement: alter sessionsetnls_date_format=yyyy-mm-dd hh34:mi:ss executing command: SET until clause Starting restore at20-SEP-15 allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=355 device type=DISK creating datafile filenumber=2 name=/u01/app/oracle/oradata/ORA12C/t2.dbf channel ORA_DISK_1: starting datafile backupset restore channel ORA_DISK_1: specifying datafile(s) to restore from backup set channel ORA_DISK_1: restoring datafile 00001to /u01/app/oracle/oradata/ORA12C/system01.dbf channel ORA_DISK_1: restoring datafile00003to /u01/app/oracle/oradata/ORA12C/sysaux01.dbf channel ORA_DISK_1: restoring datafile00004to /u01/app/oracle/oradata/ORA12C/undotbs01.dbf channel ORA_DISK_1: restoring datafile00005to /u01/app/oracle/oradata/ORA12C/example01.dbf channel ORA_DISK_1: restoring datafile00006to /u01/app/oracle/oradata/ORA12C/users01.dbf channel ORA_DISK_1: readingfrom backup piece /u01/app/oracle/fast_recovery_area/ORA12C/backupset/2015_09_20/o1_mf_nnndf_TAG20150920T120820_bzwd9ntd_.bkp channel ORA_DISK_1: piece handle=/u01/app/oracle/fast_recovery_area/ORA12C/backupset/2015_09_20/o1_mf_nnndf_TAG20150920T120820_bzwd9ntd_.bkp tag=TAG20150920T120820 channel ORA_DISK_1: restored backup piece1channel ORA_DISK_1: restore complete, elapsed time:00:01:56 Finished restore at 20-SEP-15 Starting recover at 20-SEP-15using channel ORA_DISK_1 starting media recovery archived logfor thread 1 with sequence 18 is already on disk as file /u01/app/oracle/fast_recovery_area/ORA12C/archivelog/2015_09_20/o1_mf_1_18_bzwh058r_.arc archived logfor thread 1 with sequence 19 is already on disk asfile /u01/app/oracle/fast_recovery_area/ORA12C/archivelog/2015_09_20/o1_mf_1_19_bzwhh60d_.arc archived log for thread 1 with sequence 20is already on diskas file /u01/app/oracle/fast_recovery_area/ORA12C/archivelog/2015_09_20/o1_mf_1_20_bzwhzsts_.arc archived logfor thread 1 with sequence 1 is already on disk asfile /u01/app/oracle/fast_recovery_area/ORA12C/archivelog/2015_09_20/o1_mf_1_1_bzwmprks_.arc archived log file name=/u01/app/oracle/fast_recovery_area/ORA12C/archivelog/2015_09_20/o1_mf_1_18_bzwh058r_.arc thread=1sequence=18 archived log file name=/u01/app/oracle/fast_recovery_area/ORA12C/archivelog/2015_09_20/o1_mf_1_19_bzwhh60d_.arc thread=1 sequence=19 archived log file name=/u01/app/oracle/fast_recovery_area/ORA12C/archivelog/2015_09_20/o1_mf_1_20_bzwhzsts_.arc thread=1 sequence=20 archived log file name=/u01/app/oracle/fast_recovery_area/ORA12C/archivelog/2015_09_20/o1_mf_1_1_bzwm5k1c_.arc thread=1 sequence=1archived log file name=/u01/app/oracle/fast_recovery_area/ORA12C/archivelog/2015_09_20/o1_mf_1_1_bzwmprks_.arc thread=1 sequence=1 media recovery complete, elapsed time: 00:00:07 Finished recover at 20-SEP-15 RMAN> alter database open resetlogs; Statement processed

验证：t_0920 表已经恢复了，t_09201表不存在了。

SYS@ORA12C>select count(*) from t_0920;   COUNT(*) -----------------      91691 1row selected. SYS@ORA12C>select count(*) from t_09201; select count(*) fromt_09201                      * ERROR at line 1: ORA-00942: table or view does not exist

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