Definiteness backup contains are all files that have changed since the last FULL backup and the advantage of a differential backup is that it shortens restore time compared to a full backup or an incremental backup.
Now, here given below Advantages and Disadvantages: :
Advantages
1. Restore is faster than restoring from incremental backup
2. Backing up is faster than a full backup
3. The storage space requirements are lower than for full backup
Disadvantages:
1. Restore is slower than restoring from full backup
2. Backing up is slower than incremental backup
3. The storage space requirements are higher than for incremental backup
