What is the purpose of three level database architecture?

What is the purpose of three level architecture in DBMS?

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.

What is the three level database architecture its purpose and origin?

The ANSI-SPARC database architecture is the basis of most of the modern databases. The three levels present in this architecture are Physical level, Conceptual level and External level.

What is the purpose of database architecture?

A Database Architecture is a representation of DBMS design. It helps to design, develop, implement, and maintain the database management system. A DBMS architecture allows dividing the database system into individual components that can be independently modified, changed, replaced, and altered.

What are the advantages of having three level database architecture?

Advantages of Three-tier Architecture: Same data can be accessed by different users with different customized views. The user is not concerned about the physical data storage details. Physical storage structure can be changed without requiring changes in internal structure of the database as well as users view.