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Questions and Answers
Which level of the three-schema architecture describes physical storage structures and access paths?
Which level of the three-schema architecture describes physical storage structures and access paths?
Which level of the three-schema architecture describes the structure and constraints for the whole database?
Which level of the three-schema architecture describes the structure and constraints for the whole database?
Which level of the three-schema architecture describes the various user views?
Which level of the three-schema architecture describes the various user views?
Which data model is typically used for the internal schema?
Which data model is typically used for the internal schema?
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Study Notes
Three-Schema Architecture
- The Internal Schema describes physical storage structures and access paths, focusing on the storage and retrieval of data.
- The Conceptual Schema describes the structure and constraints for the whole database, defining the overall organization and relationships of the data.
- The External Schema describes the various user views, providing a customized perspective of the data for each user group.
Data Model
- The Physical Data Model is typically used for the internal schema, detailing the physical storage and access mechanisms.
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Description
Test your knowledge on the Three-Schema Architecture in database management systems. This quiz will cover the internal schema, conceptual schema, and physical storage structures. Challenge yourself with questions on data models and access paths.
