There are different types of user that play different roles in a database environment. Following is a brief description of these users:
(1) Application Programmers:
Application programmer is the person who is responsible for implementing the required functionality of database for the end user. Application programmer works according to the specification provided by the system analyst.
(2) End Users:
End users are those persons who interact with the application directly. They are responsible to insert, delete and update data in the database. They get information from the system as and when required. Different types of end users are as follows:
Naive Users: Naive users are those users who do not have any technical knowledge about the DBMS. They use the database through application programs by using simple user interface. They perform all operations by using simple commands provided in the user interface.
Example: The data entry operator in an office is responsible for entering records in the database. He performs this task by using menus and buttons etc. He does not know anything about database or DBMS. He interacts with the database through the application program.
Sophisticated Users: Sophisticated users are the users who are familiar with the structure of database and facilities of DBMS. Such users can use a query language such as SQL to perform the required operations on databases. Some sophisticated users can also write application programs.
(3) Database Administrator:
Database administrator is responsible for, managing the whole database system. He designs creates and maintains the database. He manages the users who can access this database, and controls integrity issues. He also monitors the performance of the system and makes changes in the system as and when required.
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