RMAN Backup & Recovery #3: ONLINE Vs OFFLINE BACKUP in Oracle Database by Oracle ACE Manish Sharma

Online Backup Vs Offline Backup by Oracle Ace Manish Sharma!
Since the beginning, there has always been confusion between online and offline backup. Confusion like what are those, when to choose and which one to choose. Some say –a backup is called online backup because it uses the Internet to transfer the files. Oh my God. This is a completely wrong definition of online backup.
In fact, Offline backup, as the name suggests is a backup that is performed while the database instance is down. Offline backup is also known as a cold backup. And A backup that was taken when the database is up and running is called an Online Backup. Online backup is also known as hot backup.
Each of these types has its own advantages and disadvantages. For example, offline backup has higher downtime in comparison to online backup which has near-zero downtime. One needs some special configuration whereas, another one can be performed on the factory settings of the database. For detailed knowledge of the topic watch the video and enjoy it.
Learn what is Online and Offline backup In Database in under 5 minutes by Oracle ACE Manish Sharma.
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