When data is stored in the cloud, the location of the data becomes a big question. Cloud providers maintain physical data centers in multiple locations for reasons of performance and redundancy. This can introduce problems relating to regulatory compliance and internal company policies.
DBaaS providers back up their clients’ data for the purposes of their own business-continuity/disaster-recovery (BCDR) needs. Second, they offer automatic backups that allow customers to restore data from their own backups. Third, they offer data replication services that mirror their clients’ data, sometimes to other regions, for load-balancing and performance purposes.