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Oracle Database 11g Oracle Real Application Clusters Handbook, Second Edition by K Gopalakrishnan

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Oracle Backup Basics

Oracle backups can be taken at the physical level (hot or cold) or at the logical level. A physical backup is composed of the following:

image Datafiles

image Controlfiles

image Archived redo log files (if the database is in ARCHIVELOG mode)

image Parameter files (init.ora and SPFILE)

A physical backup is performed by taking an operating system copy ...

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