A Database Administrator (DBA) is a professional responsible for managing and maintaining databases. Their primary tasks include ensuring data availability, performance, and security. DBAs also handle database design, implementation, and troubleshooting, making sure that data is stored efficiently and can be accessed quickly by users and applications. In addition to technical skills, DBAs often collaborate with other IT professionals to support software development and data analysis. They may also create backup and recovery plans to protect data from loss. Overall, DBAs play a crucial role in managing the information that organizations rely on for decision-making and operations.