Question

Explain three level architecture of DBMS.​

Answer 1

Answer:

hiiiiiiii

Explanation:

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.

Answer 2

Answer:

• The design of a DBMS depends on its architecture. It can be centralized or decentralized or hierarchical. The architecture of a DBMS can be seen as either single tier or multi-tier. ... Programmers use 2-tier architecture where they access the DBMS by means of an application
• DatabaseMCA. 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.