What are the three objectives of schema architecture?

What is the main objective of 3 schema architecture?

Objectives of Three schema Architecture. The main objective of three level architecture is to enable multiple users to access the same data with a personalized view while storing the underlying data only once. Thus it separates the user's view from the physical structure of the database.

What is the 3 schema architecture?

Three-schema architecture is an idea in relational database design that breaks a database down into three different categories according to its use and structure, and to the roles played by system administrators, designers and end users.

What are the 3 levels in 3 schema architecture?

The three levels present in this architecture are Physical level, Conceptual level and External level.