Users of Database Systems

& Components of Database

Environment

Users of Database Systems

& Components of Database

Environment

Users of Database SystemUsers of Database System• Application Programmers• End Users

NaïveSophisticated

Application Programmers• Create database application

programs.• They have clear idea about

structure of the database and needs of the organization.

End Users• Who use the database

application programs.• Two types

NaïveSophisticated

Typical Components of a Database Environment

Database is used to store data and DBMS uses mechanisms to get data from the database

Database

DBMS

“HOW” to get

Application programs talk to DBMS and ask for the data required

Database

DBMS

“HOW” to get

Application Programs

“WHAT” to get

Database designers design the database and install the DBMS for use by the users of the database in any specific organization.

Database

DBMS

Application Programs

Database Designersdesign

Database

DBMS

design

Application Programs

Database Designers

Database Administrators

Application Programmers

maintain

develop

Database Administrator

Database

DBMS

design

Application Programs

Database Designers

Database Administrators

Application Programmers

maintain

develop

Database Administrator’s interaction with other users

End Usersinteract

software

USERSDATA

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