What is tablespace point in time recovery?

RMAN TSPITR(Recovery Manager Tablespace Point In Time Recovery) enables quick recovery of one or more tablespaces in a database to an earlier time without affecting the rest of the tablespaces and objects in the database. Recover from incorrect batch job on table belongs to single tablespace.

Which command is used for RMAN database recovery?

The two most important RMAN commands used in database recovery are: RESTORE , which retrieves files from RMAN backups based on the contents of the RMAN repository. RECOVER , which performs complete or point-in-time media recovery using available datafiles and redo logs.

How do I restore tablespace in RMAN?

Restore a Single Tablespace Using RMAN

  1. Take the tablespace offline: alter tablespace offline;
  2. Issue the restore command from an RMAN prompt.
  3. After the restore is completed, a “Recover” needs to be issued.
  4. Finally, the tablespace can be brought back online.

Which command is used to execute the backup and recovery commands?

Summary of RMAN Commands

Command Purpose
ALLOCATE CHANNEL FOR MAINTENANCE Allocate a channel in preparation for issuing maintenance commands such as DELETE .
BACKUP Back up database files, copies of database files, archived logs, or backup sets.

What is auxiliary destination?

The auxiliary destination, an optional location on disk which can be used to store any of the auxiliary set datafiles, control files and online logs of the auxiliary instance during TSPITR. Files stored here can be deleted after TSPITR is complete.

What is Level 0 and Level 1 backup in RMAN?

An incremental backup is either a level 0 backup, which includes every block in the file except blocks compressed out because they have never been used, or a level 1 backup, which includes only those blocks that have been changed since the parent backup was taken.

How do you set up a fast recovery area?

Specify the size of the fast recovery area using the following command: ALTER SYSTEM SET DB_RECOVERY_FILE_DEST_SIZE = 10G; Specify the location of the fast recovery area using the following command: ALTER SYSTEM SET DB_RECOVERY_FILE_DEST = ‘/u02/oracle/fra’;

How do I restore a Controlfile to a different location?

You can restore the control file from a known control file copy using this form of the command: RMAN> RESTORE CONTROLFILE from ‘filename’; The control file copy found at the location specified by filename will be written to all locations listed in the CONTROL_FILES initialization parameter.

Which is correct command for backup?

To back up by name, use the -i flag. The backup command reads standard input for the names of the files to be backed up. File types can be special files, regular files, or directories. When the file type is a directory, only the directory is backed up.

What is WSB command line?

Windows Server Backup (WSB) is a feature that provides backup and recovery options for Windows server environments. Administrators can use Windows Server Backup to back up a full server, the system state, selected storage volumes or specific files or folders, as long as the data volume is less than 2 terabytes.

What is auxiliary instance in Oracle?

RMAN uses an auxiliary instance to create the duplicate database. When the source and destination host are different, you must install the Oracle Database software on the destination host, so that the auxiliary instance can be created.