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Oracle in a Nutshell
book

Oracle in a Nutshell

by Rick Greenwald, David C. Kreines
December 2002
Intermediate to advanced content levelIntermediate to advanced
928 pages
85h 29m
English
O'Reilly Media, Inc.
Content preview from Oracle in a Nutshell

Recovery Manager (RMAN)

Oracle’s Recovery Manager (RMAN), introduced with Oracle8, is a utility that allows you to create backups of your Oracle database and to restore your Oracle database from these backups. Although many of RMAN’s operations can be performed with the other methods described in this chapter, RMAN provides some significant advantages over user-managed backup and recovery, including:

  • Performing a backup without having to put the database in backup mode

  • Performing an incremental backup of only changed data blocks

  • Automatically tracking and logging backup operations

  • Automatically detecting block corruption during backup

  • Reporting on backup operations

  • Performing block media recovery

RMAN is clearly the backup and recovery strategy of the future. Recently, Oracle has been adding such backup features as block media recovery and tablespace point-in-time recovery only to RMAN.

The following sections describe the use of RMAN. We’ll look briefly at basic RMAN concepts, the command-line options used to start and use RMAN, and a sample RMAN command script that you can use to perform a backup of an Oracle database. We’ll then describe the RMAN commands.

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Publisher Resources

ISBN: 0596003366Errata Page