What is offline DB backup?

Question

A cold backup, also called an offline backup, is a database backup during which the database is offline and not accessible to update. This is the safest way to back up because it avoids the risk of copying data that may be in the process of being updated.

What is offline backup in Oracle?

An offline backup is one taken after the database is cleanly shut down. That is, it is not taken after an instance failure, SHUTDOWN ABORT, or other such shutdown. During the backup, the database is not available for normal operations.

What is online backup and offline backup in Oracle?

An online or hot backup is a backup performed while the database is online and available for read/write operations. Except for Oracle exports, you can only perform online backups when running in ARCHIVELOG mode. An offline or cold backup is a backup performed while the database is offline and unavailable to its users.

Why is offline backup important?

An offline backup is particularly important to defend against ransomware attacks, ensuring the organization can always restore from a clean, protected data set.

What is difference between offline and online backup in SAP?

Online backup: You take the backup of all table spaces while the database is still being accessed by the users. During backup each table space is automatically put into backup mode. Offline backup: Backup of all table spaces is taken after the db is shutdown.

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