DBaaS is stand for (Database as a Service) which is used as cloud-based approach to the storage and management of structured data. DBaaS provide the database functionality similar to the relational database management systems called RDBMS such as SQL Server, MySQL and Oracle. Before cloud based computing the DBaaS provides a flexible, scalable, on demand platform which is easy management and particularly in terms of provisioning a business" own environment. DBaaS products typically provide enough monitoring capabilities to track performance and usage and to alert users to potential issues and these products can also generate at least some degree of data analytics.