Introduction to Backup and Recovery
Learn the importance, types, and various methods of backup and recovery in PostgreSQL.
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Backup and recovery are critical for any database system as they’re essential for keeping the data safe, especially in the event of system failure.
Database backup
A database backup is a copy of the data and metadata of a database, which we can use to restore the database to its original state in case of data loss or corruption. A backup is essential for ensuring the availability of the database, disaster recovery, and data protection against data loss due to hardware or system failures.
We may use different backup formats such as binary, text, or compressed. Then, we can store them on various media like disk, tape, or cloud storage. The frequency and retention period of backups and the methods used may vary depending on our data protection and disaster recovery needs.
In the world of databases, backup and recovery are essential concepts that play a critical role in ensuring the availability, integrity, and reliability of the data stored in a database. The backup and recovery process involves creating a copy of the database and storing it in a secure location, which can be used to restore the ...