Top Oracle RMAN Interview Questions (2024)
What is Oracle RMAN?
What are the benefits of using Oracle RMAN?
What is the difference between an RMAN backup and a physical backup?
How to restore a database using Oracle RMAN?
How to do a point-in-time recovery using Oracle RMAN?
What is an Oracle RMAN duplicate database?
How to recover a database using Oracle RMAN?
What is an RMAN catalog?
What are the different types of backups that can be taken using Oracle RMAN?
How to configure Oracle RMAN?
What is a backup set in Oracle RMAN?
What is an Oracle RMAN retention policy?
What is an Oracle RMAN control file?
What is an Oracle RMAN crosscheck?
What is an Oracle RMAN block change tracking file?
How to configure block change tracking using Oracle RMAN?
How to backup and restore control files using Oracle RMAN?
Q: What is Oracle RMAN?
Ans:
An Oracle provided tool called Oracle Recovery Manager (RMAN) streamlines the process of backing up, restoring, and recovering data files in Oracle databases.
Q: What are the benefits of using Oracle RMAN?
Ans:
Improved performance, better backup and recovery management, faster backups, and greater data protection are all advantages of utilising Oracle RMAN.
Q: What is the difference between an RMAN backup and a physical backup?
Ans:
A physical backup is a backup of the actual files that hold the data, whereas an RMAN backup is a logical backup that makes use of the Oracle RMAN software to backup data.
Q: How to restore a database using Oracle RMAN?
Ans:
Use the RMAN RESTORE command and specify the backup set and data files that we want
to restore in order to restore a database using Oracle RMAN.
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Q: How to do a point-in-time recovery using Oracle RMAN?
Ans:
In Oracle RMAN, we can use the RMAN RECOVER command and provide the desired
recovery point in order to carry out a point-in-time recovery.
Q: What is an Oracle RMAN duplicate database?
Ans:
The process of making a duplicate database using RMAN backup sets is known as an Oracle RMAN duplicate database.
Q: How to recover a database using Oracle RMAN?
Ans:
In Oracle RMAN, we can use the RMAN RECOVER command and provide the backup set and
data files we need to recover in order to restore a database.
Q: What is an RMAN catalog?
Ans:
A database schema called an RMAN catalog is used to keep track of backup, archived log, and other related metadata.
Q: What are the different types of backups that can be taken using Oracle RMAN?
Ans:
Oracle RMAN supports complete backups, incremental backups, and cumulative backups as the three different backup types.
Q: How to configure Oracle RMAN?
Ans:
The RMAN configuration settings, which are set via the RMAN CONFIGURE command, can
be used to configure Oracle RMAN.
Q: What is a backup set in Oracle RMAN?
Ans:
In Oracle RMAN, a backup set is a grouping of one or more backup pieces that each contain information from one or more data files.
Q: What is an Oracle RMAN retention policy?
Ans:
The duration of time that RMAN backup sets and archived logs are kept is determined by a set of rules called an Oracle RMAN retention policy.
Q: What is an Oracle RMAN control file?
Ans:
An Oracle RMAN control file is a binary file that includes crucial information and metadata about the database structure.
Q: What is an Oracle RMAN crosscheck?
Ans:
The process of checking the availability of backups and archived logs listed in the RMAN repository on backup media is known as an Oracle RMAN crosscheck.
Q: What is an Oracle RMAN block change tracking file?
Ans:
To expedite incremental backups, a file called an Oracle RMAN block change tracking file is utilised to keep track of the modified blocks in a database.
Q: How to configure block change tracking using Oracle RMAN?
Ans:
In Oracle RMAN, use the RMAN CONFIGURE command to set up block change tracking.
Q: How to backup and restore control files using Oracle RMAN?
Ans:
We must use the RMAN BACKUP command to backup control files using Oracle RMAN. And
use the RMAN RESTORE command to restore control files.