The database server is the most important part of the software systems/applications infrastructure in a conventional computing environment and OCA offers special services for database management, installation and administration. On the other hand, The DBaaS model is a fee-based subscription service, which OCA provides and manages the actual infrastructure and databases and offers it as a private cloud service. High-level administrative duties like installation, initial setup, maintenance, and updates are covered by our service. Backup and performance monitoring may also be supplied as additional database administration (DBA) services. There are database management and maintenance services for both relational and NoSQL databases. Relational is available for conventional database management systems (DBMS) such as Oracle, SQL Server, and MySQL, as well as cloud-only database systems such as Amazon and Azure. NoSQL elastic database services for application creation, testing, and production deployment. The OCA maintenance services are excellent for organizations without IT departments. Taking the database servicing and maintenance will helps organizations maintain applications and systems that they could not otherwise afford to run on-premises.