DATABASE MANAGEMENT SYSTEM _(CSE2007) _VELLORE INSTITUTE OF
TECHNOLOGY (VIT)
MODULE-1 (Introduction to DBMS and Conceptual data modelling)
➢ Three Schema Architecture
➢ Client/Server architecture
Three Schema Architecture :-
• The three schema architecture is also called ANSI/SPARC architecture or three-
level architecture.
• This framework is used to describe the structure of a specific database system.
• The three schema architecture is also used to separate the user applications and
physical database.
• The three schema architecture contains three-levels. It breaks the database down
into three different categories.
Fig-1:- THREE SCHEMA ARCHITECTURE
TECHNOLOGY (VIT)
MODULE-1 (Introduction to DBMS and Conceptual data modelling)
➢ Three Schema Architecture
➢ Client/Server architecture
Three Schema Architecture :-
• The three schema architecture is also called ANSI/SPARC architecture or three-
level architecture.
• This framework is used to describe the structure of a specific database system.
• The three schema architecture is also used to separate the user applications and
physical database.
• The three schema architecture contains three-levels. It breaks the database down
into three different categories.
Fig-1:- THREE SCHEMA ARCHITECTURE
