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RMAN DUPLICATE command creates duplicate database from backups of the target database while retaining the original target database.
RMAN maintain metadata in repository about target database, its backup and recovery operations. For example (own configuration setting, target database schema, archived redo logs and backup files on disk or tap). Recovery manager (RMAN) is a command line utility used to perform backup and recovery operations. RMAN provide greater ease of management and administration of the backup and recovery operations. |
There are several ways to check for corruption in an Oracle database
Oracle Flashback Technology provides a set of new features to view and rewind data back and forth in time. The Flashback features offer the capability to query historical data, perform change analysis, and perform self-service repair to recover from logical corruptions while the database is online. With Oracle Flashback Technology, you can indeed undo the past! Commonly performed operations, starting and exiting RMAN, configure RMAN environment, backup restore and recovery operations, and reporting with RMAN. This article is very useful for beginners who are new to database administration. Discusses on general ideas about what is backup and recovery? Different types of backups with their key data structures are used. Also different types of failures and their recovery methods used to recover. |
