It is one of the types of Cloud Computing models. It provides a runtime environment. An external service provider furnishes users with hardware and software tools through online channels. The hardware and software is hosted by the PaaS provider in its infrastructure.
Database as a Service (DBaaS) is a cloud-based database solution that grants users access to a database without the need to set up and oversee the foundational infrastructure. The service provider takes care of the majority of database administration and maintenance tasks, allowing users to swiftly leverage the benefits of the database service.