What are the 3 levels in 3 schema architecture?

What are the three levels of three schema architecture?

The three schema architecture is also used to separate the user applications and physical database. The three schema architecture contains three-levels.Internal Level. ... Conceptual Level. ... External Level.DBMS Three schema Architecture - javatpoint

What are the 3 types of schema?

The three-schema approach provides for three types of schemas with schema techniques based on formal language descriptions:External schema for user views.Conceptual schema integrates external schemata.Internal schema that defines physical storage structures.Three-schema approach - Wikipedia

What are the levels of schema?

DBMS Schemas: Internal, Conceptual, ExternalInternal Level: Actual PHYSICAL storage structure and access paths.Conceptual or Logical Level: Structure and constraints for the entire database.External or View level: Describes various user views.DBMS Schemas: Internal, Conceptual, External - Guru99