The computer professional responsible for designing and maintaining a database is called database

The computer professional responsible for designing and maintaining a database is called a database administrator. They are responsible for managing the database system, ensuring that it is organized and efficient, and that the data is secure and accessible to those who need it. They work closely with programmers to design and implement the database structure, and they monitor and troubleshoot any issues that arise. A database administrator also ensures that backups and recovery processes are in place in case of system failure or data loss. Essentially, they are the caretakers of the database system, ensuring that it is running smoothly and serving the needs of the organization.