This document discusses cloud databases and database-as-a-service (DBaaS). It outlines the benefits of moving databases to the cloud, such as reduced costs and increased flexibility. Popular cloud databases mentioned include MySQL, PostgreSQL, Google CloudSQL, and MongoLab. The document also discusses features of cloud computing like on-demand self-service, broad network access, resource pooling, rapid elasticity, and monitored service. Associating databases with the cloud provides organizations with a flexible, always-available backend without worrying about hardware and software maintenance.