Database Administration

Oracle RMAN Report Obsolete Redundancy Command Guide Purpose The report obsolete redundancy = 2 command in Oracle Recovery Manager (RMAN) identifies database backups that are no longer necessary for recovery operations based on a redundancy-based retention policy. This command helps database administrators determine …

Oracle RMAN Report Obsolete Command The REPORT OBSOLETE command in Oracle Recovery Manager (RMAN) helps database administrators identify backup files that are no longer required for recovery operations. This command compares existing backups against your configured retention policy and marks outdated backups as …

List Backup of Archivelog All: Oracle RMAN Command Guide Purpose The LIST BACKUP OF ARCHIVELOG ALL command in Oracle Recovery Manager (RMAN) displays all existing backups of archived redo log files stored in the RMAN repository. This command helps database administrators track and manage archived log backups, verify …

Oracle RMAN List Backup of Database Command Purpose The LIST BACKUP OF DATABASE command is an Oracle Recovery Manager (RMAN) utility that displays all existing database backups stored in the RMAN repository. This command helps database administrators verify backup availability, review backup history, and plan recovery …

Delete Archive Log Older Than 5 Days in Oracle RMAN Purpose The DELETE NOPROMPT ARCHIVELOG UNTIL TIME command removes old archive log files from your Oracle database to free up disk space and maintain storage efficiency. This RMAN (Recovery Manager) command automatically deletes archive logs that are older than a …

Oracle RMAN Resync Catalog Command Guide Purpose The RESYNC CATALOG command synchronizes the metadata stored in your Oracle RMAN recovery catalog with the current information in the target database control file. This ensures that all backup, restore, and recovery operations use the most accurate and up-to-date database …

Oracle RMAN Crosscheck Backup Command - Verify Backup Availability Purpose The CROSSCHECK BACKUP command is an essential Oracle RMAN (Recovery Manager) tool that verifies whether backup files recorded in the RMAN repository still physically exist on storage media. This command synchronizes the logical records in your …

Oracle RMAN Reset Database After RESETLOGS Recovery Purpose The RESET DATABASE command in Oracle Recovery Manager (RMAN) notifies the recovery catalog that a new database incarnation has been created after opening the database with the RESETLOGS option. This command is essential for maintaining synchronization between …

Oracle RMAN Unregister Database from Recovery Catalog Purpose Unregistering a database from an Oracle RMAN (Recovery Manager) recovery catalog removes all backup metadata and database information from the catalog repository. This process is essential when a database is decommissioned, no longer needs catalog-based …

How to Register an Oracle Database with RMAN Catalog Purpose The RMAN register database command adds a target database to the recovery catalog so that Recovery Manager can track and maintain backup metadata. This allows RMAN to store backup information, recovery points, and database structure details in a central …