Identify the different types of users who interact with a database system.
A Database Management System serves a diverse range of users, each with different roles and levels of technical expertise. We can broadly categorize them into a few groups. First are the Database Administrators (DBAs). These are the technical experts responsible for the overall management of the database. Their duties include designing the database schema, setting up the system, ensuring its security, tuning performance, and performing regular backups and recovery operations. They hold the highest level of privilege and are the custodians of the data. Second are the Application Programmers or Software Developers. They are responsible for developing the applications that interact with the database. They write code in languages like Java, Python, or C# that embeds commands to query and update the database, typically using APIs like JDBC or ODBC and query languages like SQL. They don't manage the database itself but are primary consumers of its services. Third are the End Users. This is the largest group and can be further divided. Naive users are those who interact with the database through pre-built graphical user interfaces (GUIs) and applications, like a bank teller using a banking application. They have no knowledge of the underlying database structure. Sophisticated users, on the other hand, are analysts, engineers, or scientists who have the expertise to write their own queries directly in SQL or use advanced data analysis tools to extract information from the database.