Oracle database archiving basically is the process of creating a backup copy of the oracle database files including data files, control files, online redo log file , archived redo log file, password file, initialization parameter file (init.ora,spfile,ora,init.ora)...
This can be done in two major ways :
1) User Managed BAckups
2) RMAN Backups
User Managed BAckups - In this method backup is performed using user-managed techniques wherein we use operating system commands (OS commands like cp/copy, mv) to copy the files.
RMAN BAckups - RMAN is a tool from ORACLE corporation. It is bundled as a free software. RMAN can be used to perform oracle database backup. This is an easy and most efficient method of backing up the oracle database . It is the oracle recommended method of performing Oracle database backup.
Some popular RMAN commands :
BACKUP DATABASE PLUS ARCHIVELOG
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