Switchback to the original location of the previously corrupted/damaged datafile

In this article, we are going to have look on How to switch back to the original location of the previously corrupted/damaged/lost/canceled datafile.

As you can see the datafile of USERS tablespace is currently located in the flash recovery area. And there is no USERS datafile on the location where other datafiles are.

First […]

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Recover a corrupted/damaged NON-SYSTEM datafile switching to an image copy when database in ARCHIVELOG mode

This article is about recovery of corrupted/damaged/lost/canceled NONSYSTEM datafile switching to an image copy when database in ARCHIVELOG mode. We must have an image copy of my datafiles: The following command is use to take copy.

Now let’s simulate a lost datafile of a NONSYSTEM tablespace

The RMAN report command is no more able […]

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How to recover a corrupted/damaged NON SYSTEM datafile when database in ARCHIVELOG mode

We are going to have a session on recovery about corrupted/damaged/lost/canceled NONSYSTEM datafile (except system & sysaux).  Before proceeding to be sure to have a complete backup of your test database and be sure your database is in ARCHIVELOG mode.

And it’s in ARCHIVELOG mode

Connecting through RMAN I can receive information about […]

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Backup a database in non-archivelog mode without recovery catalog

This article is about the backup of an Oracle database. As DBA we are well known about the types of backup.  Mainly we have two kind of backups in Oracle database first one is physical and another one is logical.  Each type of backups is important in Oracle database’s life maintenance. It depends on projects and client’s requirements that what kind of […]

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Restore a NON-ARCHIVELOG database using a backup controlfile

Being a DBA we must have knowledge on all kind of situation come across database’s life maintenance. We all are aware that CDR  (Controlfile, Datafile, Redologfile) plays a most important role in Oracle database. With the help of backup, we can restore the database . In this article, we are going to learn about the recovery from controlfile in noarchivelog mode. […]

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Restore a NOARCHIVELOG database using current control file

We are going to have a look at recovery in Oracle database.  it’s time to cause a fault in the database so we need to recover it. The scenario is the following: what does it happen and how can I recover a database in NOARCHIVELOG mode when a disk failure occurs and I lost my current […]

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PDBs Backup (How to identify which PDBs a backup set belong to)

Introduction:- In this article, we are going to have look on PDBs backup.  Normally we have learnt about a different kind of backup available in  Oracle. In cloud computing, we have backups in PDBs. In RMAN we have a script to know about the backup history. Now we can get the information of PDB(backup).  n large scale industries have […]

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~~~~~~~~~~~~~~~~~~~~~~~~ # RMAN backup history ~~~~~~~~~~~~~~~~~~~~~~~~

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # This script will report on all backups – full, incremental and archivelog backups – ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # This script will report all on full and incremental backups, not archivelog backups – ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ RMAN Incremental Report Generation Query ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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