The latest advances in satellite and fiber optic technology bring our superb world to us without having to leave the comforts of residence. Backups are very important for databases. Information backup is of 3 types. Full backup means backing up all knowledge. Incremental backup means backing up of only the recordsdata which have modified. Differential backup is a mix of these two. There may be one other method known as steady knowledge protection through which when knowledge is written to a disk, additionally it is written to a different computer in a network.
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