Oracle Database 11g Recovery Manager (RMAN)
You can perform Oracle database backup in one of two ways. The first is the traditional user-managed backup method, which consists simply of using the operating system commands to copy the relevant files to a different location and/or to a tape device. The other method is RMAN, which is bundled with the database itself. With RMAN, you backup the database files from within the database. A comprehensive set of backup and recovery tools that can streamline the backup and recovery of a database. Cold Backup A database cold backup is most likely the simplest way to make a backup of a database. A cold backup consists of making copies of the datafile, the control files, and the initialization parameter files while the database is shutdown. A cold backup is also known as a closed backup. Cold backup may be taken when running the database in either NOARCHIELOG or ARCHIVELOG mode. Hot Backup A hot backup is similar to a cold backup, except that the backup is performe...