What is tablespace point in time recovery in oracle?
Purpose of RMAN TSPITR Recovery Manager (RMAN) TSPITR 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.
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.
How to restore one tablespace from RMAN backup?
Restore a Single Tablespace Using RMAN
- Take the tablespace offline: alter tablespace offline;
- Issue the restore command from an RMAN prompt.
- After the restore is completed, a “Recover” needs to be issued.
- Finally, the tablespace can be brought back online.
What is RMAN auxiliary?
AUXILIARY DATABASE – An Auxiliary Database is a standby database that will be created as a result of the duplication of the target database. In RMAN’s terminology, Auxiliary instance identifies an instance which RMAN connects in order to execute the duplicate command.
How do I restore a backup in Oracle?
You should follow these basic steps:
- After identifying which files are damaged, place the database in the appropriate state for restore and recovery.
- Restore the files with an operating system utility.
- Restore any necessary archived redo log files.
- Use the SQL*Plus RECOVER command to recover the datafile backups.
Can we recover dropped table in Oracle?
Oracle Flashback Drop reverses the effects of a DROP TABLE operation. It can be used to recover after the accidental drop of a table. Instead, the table is renamed and, along with any associated objects, it is placed in the Recycle Bin of the database.
How do I restore a dropped table in Oracle 12c using flashback?
To perform the Flashback Drop operation:
- Connect SQL*Plus to the hr schema and obtain the name of the dropped table in the recycle bin.
- Retrieve the dropped table using the FLASHBACK TABLE …
- If the retrieved table had referential constraints before it was placed in the recycle bin, then re-create them.
How do I retrieve a drop table in SQL?
Use SQL Server Management Studio
- Restore the database on a test server.
- In SQL Server Management Studio, right-click the database, select the Tasks sub-menu and then the Generate scripts command:
- In the Choose objects tab, switch to the Select specific database objects option and select the dropped table:
What does Oracle tablespace point in time recovery do?
Oracle tablespace point in time recovery(TSPITR) 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.
What’s the purpose of RMAN tablespace point in time recovery?
Purpose of RMAN TSPITR. Recovery Manager (RMAN) TSPITR 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.
Is there any way to recover dropped tablespaces?
You cannot recover dropped tablespaces. You cannot recover a renamed tablespace to a point in time before it was renamed. If you try to perform a TSPITR to an SCN earlier than the rename operation, RMAN cannot find the new tablespace name in the repository as of that earlier SCN (because the tablespace did not have that name at that SCN).
How to recover tablespaces in the auxiliary database?
Restores the data files from the recovery set and the auxiliary set to the auxiliary database. Recovers the restored data files in the auxiliary database to the specified time. Opens the auxiliary database with the RESETLOGS option. Makes the recovery set tablespaces read-only in the auxiliary database.
