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Database is an important asset of business To design use and maintain such as important asset many people are included.

Database User:-
           Naive User
           Online User
System Analysis
Application Programmers
Database Administrate 

Naive User:- Need not be aware of database system.

Online User:-User may communicate with database directly via online terminal.

DBA:- It is a person who has central control over data and application programmer.

Responsibilities of a DBA:-
  1. Schema definition and modification
  2. New software installation
  3. Security enforce and administrator 
  4. Data analysis
  5. Routine maintenance  check 

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