SQL Server Tutorial: Differential Backup Explained #database

In this SQL Server tutorial video we'll explain differential backups to help you in your database backup and recovery tasks. Of course, database backup and recovery in dbms is nothing new to any DBA or developer, but a differential backup is something you should certainly be aware of.

Differential backups are backups that back up data that has changed since the last full backup.

To create such a database backup (a differential database backup), first create a full backup, then create a differential backup on the basis of the full backup.

To create a full backup, run this SQL query:

Then, to restore a differential backup, run this SQL query:

We hope that this SQL Server tutorial will help you answer some of the sql interview questions and answers you may face in your next SQL interview!

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