在Ubuntu上恢复Oracle数据库的方法有多种,以下是一些常用的恢复方法:
使用RMAN (Recovery Manager):
rman target /
allocate channel c1 device type disk;
allocate channel c2 device type disk;
crosscheck backup;
crosscheck archivelog all;
sql "alter system archive log current";
delete noprompt expired backup;
delete noprompt obsolete device type disk;
backup database include current controlfile format 'C:\backup\backup_%d_%T_%t_%s_%p';
backup archivelog all;
DELETE INPUT format 'C:\backup\arch_%d_%T_%t_%s_%p';
release channel c1;
release channel c2;
rman target /
restore database;
recover database;
使用ODU (Oracle Database Unloader):
OFFLINE表所在的表空间
generate data dictionary
scan data
restore table username.tablename
使用Data Pump (expdp 和 impdp):
impdp system/password@dbname directory=dpump_dir1 dumpfile=backupfile.dmp logfile=restore_log.log fully
使用Flashback技术:
flashback database to timestamp to_timestamp('2022-01-01 00:00:00', 'YYYY-MM-DD HH24:MI:SS');
使用Oracle Data Recovery Advisor:
这些方法可以根据具体的恢复需求选择使用,确保在执行恢复操作前做好数据备份,并详细阅读相关文档。
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