This document discusses database backup and disaster recovery in the cloud. It defines key terms like disaster recovery (DR), which is preparing for and recovering from disasters, and defines a disaster as any event negatively impacting business continuity or finances. It notes statistics on businesses failing after data loss or disasters without recovery plans. Recovery Time Objective (RTO) is the time to restore systems after a disaster, while Recovery Point Objective (RPO) is acceptable data loss in time. The document discusses different disaster recovery strategies and their costs and impact on RTO and RPO, including local backups, online backups, pilot light, warm standby, and moving applications to the cloud for recovery.