在Debian系统上备份和恢复Oracle数据库,通常使用Oracle提供的备份和恢复工具,如RMAN(Recovery Manager),以及Linux系统命令如cp和tar。以下是一些常见的备份策略和步骤:
RMAN BACKUP DATABASE;
RMAN BACKUP INCREMENTAL LEVEL 1 DATABASE;
RMAN BACKUP INCREMENTAL LEVEL 1 DATABASE PLUS ARCHIVELOG;
expdp system/password@SID dumpfile=dumpfile.dmp fully;
impdp system/password@SID dumpfile=dumpfile.dmp fully;
sqlplus / as sysdba SQL SHUTDOWN IMMEDIATE;
cp -R ORACLE_HOME/dbs /path/to/backup/directory
sqlplus / as sysdba SQL STARTUP;
SQL ALTER TABLESPACE tablespace_name BEGIN BACKUP;
cp -R ORACLE_HOME/ORADATA/datafile /path/to/backup/directory
SQL ALTER TABLESPACE tablespace_name END BACKUP;
RMAN RESTORE DATABASE;
RMAN RECOVER DATABASE;
RMAN RECOVER ARCHIVELOG ALL WITH RECOVERY;
RMAN TARGET /RESTORE CONTROLFILE;
SQL PLUS / AS SYSDBA STARTUP;
请注意,在执行备份和恢复操作之前,请确保你有足够的权限,并且Oracle数据库已经正确配置。此外,定期测试备份的恢复过程是非常重要的,以确保在需要时能够成功恢复数据。